diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..c3476a8
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,963 @@
+{
+  "name": "@rduk/errors",
+  "version": "1.3.1",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "abbrev": {
+      "version": "1.0.9",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+      "integrity": "sha1-kbR5JYinc4wl813W9jdSovh3YTU=",
+      "dev": true
+    },
+    "ajv": {
+      "version": "5.5.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
+      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "dev": true,
+      "requires": {
+        "co": "4.6.0",
+        "fast-deep-equal": "1.1.0",
+        "fast-json-stable-stringify": "2.0.0",
+        "json-schema-traverse": "0.3.1"
+      }
+    },
+    "align-text": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
+      "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
+      "dev": true,
+      "requires": {
+        "kind-of": "3.2.2",
+        "longest": "1.0.1",
+        "repeat-string": "1.6.1"
+      }
+    },
+    "amdefine": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/amdefine/-/amdefine-1.0.1.tgz",
+      "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
+      "dev": true
+    },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "1.0.3"
+      }
+    },
+    "asn1": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.3.tgz",
+      "integrity": "sha1-2sh4dxPJlmhJ/IGAd36+nB3fO4Y=",
+      "dev": true
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "dev": true
+    },
+    "async": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
+      "dev": true
+    },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
+      "dev": true
+    },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "dev": true
+    },
+    "aws4": {
+      "version": "1.7.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.7.0.tgz",
+      "integrity": "sha512-32NDda82rhwD9/JBCCkB+MRYDp0oSvlo2IL6rQWA10PQi7tDUM3eqMSltXmY+Oyl/7N3P3qNtAlv7X0d9bI28w==",
+      "dev": true
+    },
+    "balanced-match": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
+      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c=",
+      "dev": true
+    },
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "requires": {
+        "balanced-match": "1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "camelcase": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-1.2.1.tgz",
+      "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
+      "dev": true,
+      "optional": true
+    },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+      "dev": true
+    },
+    "center-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
+      "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "align-text": "0.1.4",
+        "lazy-cache": "1.0.4"
+      }
+    },
+    "cliui": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
+      "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "center-align": "0.1.3",
+        "right-align": "0.1.3",
+        "wordwrap": "0.0.2"
+      },
+      "dependencies": {
+        "wordwrap": {
+          "version": "0.0.2",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
+          "integrity": "sha1-t5Zpu0LstAn4PVg8rVLKF+qhZD8=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "co": {
+      "version": "4.6.0",
+      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
+      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
+      "dev": true
+    },
+    "combined-stream": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz",
+      "integrity": "sha1-cj599ugBrFYTETp+RFqbactjKBg=",
+      "dev": true,
+      "requires": {
+        "delayed-stream": "1.0.0"
+      }
+    },
+    "concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=",
+      "dev": true
+    },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "dev": true
+    },
+    "coveralls": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/coveralls/-/coveralls-3.0.1.tgz",
+      "integrity": "sha512-FAzXwiDOYLGDWH+zgoIA+8GbWv50hlx+kpEJyvzLKOdnIBv9uWoVl4DhqGgyUHpiRjAlF8KYZSipWXYtllWH6Q==",
+      "dev": true,
+      "requires": {
+        "js-yaml": "3.12.0",
+        "lcov-parse": "0.0.10",
+        "log-driver": "1.2.7",
+        "minimist": "1.2.0",
+        "request": "2.87.0"
+      }
+    },
+    "dashdash": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "decamelize": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/decamelize/-/decamelize-1.2.0.tgz",
+      "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA=",
+      "dev": true,
+      "optional": true
+    },
+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "dev": true
+    },
+    "ecc-jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz",
+      "integrity": "sha1-D8c6ntXw1Tw4GTOYUj735UN3dQU=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "jsbn": "0.1.1"
+      }
+    },
+    "escodegen": {
+      "version": "1.8.1",
+      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.8.1.tgz",
+      "integrity": "sha1-WltTr0aTEQvrsIZ6o0MN07cKEBg=",
+      "dev": true,
+      "requires": {
+        "esprima": "2.7.3",
+        "estraverse": "1.9.3",
+        "esutils": "2.0.2",
+        "optionator": "0.8.2",
+        "source-map": "0.2.0"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+          "dev": true
+        }
+      }
+    },
+    "esprima": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.0.tgz",
+      "integrity": "sha512-oftTcaMu/EGrEIu904mWteKIv8vMuOgGYo7EhVJJN00R/EED9DCua/xxHRdYnKtcECzVg7xOWhflvJMnqcFZjw==",
+      "dev": true
+    },
+    "estraverse": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-1.9.3.tgz",
+      "integrity": "sha1-r2fy3JIlgkFZUJJgkaQAXSnJu0Q=",
+      "dev": true
+    },
+    "esutils": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
+      "integrity": "sha1-Cr9PHKpbyx96nYrMbepPqqBLrJs=",
+      "dev": true
+    },
+    "extend": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.1.tgz",
+      "integrity": "sha1-p1Xqe8Gt/MWjHOfnYtuq3F5jZEQ=",
+      "dev": true
+    },
+    "extsprintf": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "dev": true
+    },
+    "fast-deep-equal": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
+      "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+      "dev": true
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I=",
+      "dev": true
+    },
+    "fast-levenshtein": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
+      "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
+      "dev": true
+    },
+    "forever-agent": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
+      "dev": true
+    },
+    "form-data": {
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.2.tgz",
+      "integrity": "sha1-SXBJi+YEwgwAXU9cI67NIda0kJk=",
+      "dev": true,
+      "requires": {
+        "asynckit": "0.4.0",
+        "combined-stream": "1.0.6",
+        "mime-types": "2.1.18"
+      }
+    },
+    "fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha1-FQStJSMVjKpA20onh8sBQRmU6k8=",
+      "dev": true
+    },
+    "getpass": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
+      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0"
+      }
+    },
+    "glob": {
+      "version": "5.0.15",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-5.0.15.tgz",
+      "integrity": "sha1-G8k2ueAvSmA/zCIuz3Yz0wuLk7E=",
+      "dev": true,
+      "requires": {
+        "inflight": "1.0.6",
+        "inherits": "2.0.3",
+        "minimatch": "3.0.4",
+        "once": "1.4.0",
+        "path-is-absolute": "1.0.1"
+      }
+    },
+    "handlebars": {
+      "version": "4.0.11",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.0.11.tgz",
+      "integrity": "sha1-Ywo13+ApS8KB7a5v/F0yn8eYLcw=",
+      "dev": true,
+      "requires": {
+        "async": "1.5.2",
+        "optimist": "0.6.1",
+        "source-map": "0.4.4",
+        "uglify-js": "2.8.29"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.4.4",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.4.4.tgz",
+          "integrity": "sha1-66T12pwNyZneaAMti092FzZSA2s=",
+          "dev": true,
+          "requires": {
+            "amdefine": "1.0.1"
+          }
+        }
+      }
+    },
+    "har-schema": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
+      "dev": true
+    },
+    "har-validator": {
+      "version": "5.0.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.0.3.tgz",
+      "integrity": "sha1-ukAsJmGU8VlW7xXg/PJCmT9qff0=",
+      "dev": true,
+      "requires": {
+        "ajv": "5.5.2",
+        "har-schema": "2.0.0"
+      }
+    },
+    "has-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-1.0.0.tgz",
+      "integrity": "sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=",
+      "dev": true
+    },
+    "http-signature": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
+      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0",
+        "jsprim": "1.4.1",
+        "sshpk": "1.14.2"
+      }
+    },
+    "inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha1-Sb1jMdfQLQwJvJEKEHW6gWW1bfk=",
+      "dev": true,
+      "requires": {
+        "once": "1.4.0",
+        "wrappy": "1.0.2"
+      }
+    },
+    "inherits": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.3.tgz",
+      "integrity": "sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=",
+      "dev": true
+    },
+    "is-buffer": {
+      "version": "1.1.6",
+      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
+      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==",
+      "dev": true
+    },
+    "is-typedarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo=",
+      "dev": true
+    },
+    "isexe": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha1-6PvzdNxVb/iUehDcsFctYz8s+hA=",
+      "dev": true
+    },
+    "isstream": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo=",
+      "dev": true
+    },
+    "istanbul": {
+      "version": "0.4.5",
+      "resolved": "https://registry.npmjs.org/istanbul/-/istanbul-0.4.5.tgz",
+      "integrity": "sha1-ZcfXPUxNqE1POsMQuRj7C4Azczs=",
+      "dev": true,
+      "requires": {
+        "abbrev": "1.0.9",
+        "async": "1.5.2",
+        "escodegen": "1.8.1",
+        "esprima": "2.7.3",
+        "glob": "5.0.15",
+        "handlebars": "4.0.11",
+        "js-yaml": "3.12.0",
+        "mkdirp": "0.5.1",
+        "nopt": "3.0.6",
+        "once": "1.4.0",
+        "resolve": "1.1.7",
+        "supports-color": "3.2.3",
+        "which": "1.3.1",
+        "wordwrap": "1.0.0"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+          "dev": true
+        }
+      }
+    },
+    "jasmine": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/jasmine/-/jasmine-3.1.0.tgz",
+      "integrity": "sha1-K9Wf1+xuwOistk4J9Fpo7SrRlSo=",
+      "dev": true,
+      "requires": {
+        "glob": "7.1.2",
+        "jasmine-core": "3.1.0"
+      },
+      "dependencies": {
+        "glob": {
+          "version": "7.1.2",
+          "resolved": "https://registry.npmjs.org/glob/-/glob-7.1.2.tgz",
+          "integrity": "sha512-MJTUg1kjuLeQCJ+ccE4Vpa6kKVXkPYJ2mOCQyUuKLcLQsdrMCpBPUi8qVE6+YuaJkozeA9NusTAw3hLr8Xe5EQ==",
+          "dev": true,
+          "requires": {
+            "fs.realpath": "1.0.0",
+            "inflight": "1.0.6",
+            "inherits": "2.0.3",
+            "minimatch": "3.0.4",
+            "once": "1.4.0",
+            "path-is-absolute": "1.0.1"
+          }
+        }
+      }
+    },
+    "jasmine-core": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/jasmine-core/-/jasmine-core-3.1.0.tgz",
+      "integrity": "sha1-pHheE11d9lAk38kiSVPfWFvSdmw=",
+      "dev": true
+    },
+    "js-yaml": {
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
+      "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
+      "dev": true,
+      "requires": {
+        "argparse": "1.0.10",
+        "esprima": "4.0.0"
+      }
+    },
+    "jsbn": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/jsbn/-/jsbn-0.1.1.tgz",
+      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
+      "dev": true,
+      "optional": true
+    },
+    "json-schema": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/json-schema/-/json-schema-0.2.3.tgz",
+      "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM=",
+      "dev": true
+    },
+    "json-schema-traverse": {
+      "version": "0.3.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
+      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
+      "dev": true
+    },
+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus=",
+      "dev": true
+    },
+    "jsprim": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
+      "integrity": "sha1-MT5mvB5cwG5Di8G3SZwuXFastqI=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0",
+        "extsprintf": "1.3.0",
+        "json-schema": "0.2.3",
+        "verror": "1.10.0"
+      }
+    },
+    "kind-of": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
+      "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
+      "dev": true,
+      "requires": {
+        "is-buffer": "1.1.6"
+      }
+    },
+    "lazy-cache": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/lazy-cache/-/lazy-cache-1.0.4.tgz",
+      "integrity": "sha1-odePw6UEdMuAhF07O24dpJpEbo4=",
+      "dev": true,
+      "optional": true
+    },
+    "lcov-parse": {
+      "version": "0.0.10",
+      "resolved": "https://registry.npmjs.org/lcov-parse/-/lcov-parse-0.0.10.tgz",
+      "integrity": "sha1-GwuP+ayceIklBYK3C3ExXZ2m2aM=",
+      "dev": true
+    },
+    "levn": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/levn/-/levn-0.3.0.tgz",
+      "integrity": "sha1-OwmSTt+fCDwEkP3UwLxEIeBHZO4=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2"
+      }
+    },
+    "log-driver": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/log-driver/-/log-driver-1.2.7.tgz",
+      "integrity": "sha512-U7KCmLdqsGHBLeWqYlFA0V0Sl6P08EE1ZrmA9cxjUE0WVqT9qnyVDPz1kzpFEP0jdJuFnasWIfSd7fsaNXkpbg==",
+      "dev": true
+    },
+    "longest": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/longest/-/longest-1.0.1.tgz",
+      "integrity": "sha1-MKCy2jj3N3DoKUoNIuZiXtd9AJc=",
+      "dev": true
+    },
+    "mime-db": {
+      "version": "1.33.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.33.0.tgz",
+      "integrity": "sha512-BHJ/EKruNIqJf/QahvxwQZXKygOQ256myeN/Ew+THcAa5q+PjyTTMMeNQC4DZw5AwfvelsUrA6B67NKMqXDbzQ==",
+      "dev": true
+    },
+    "mime-types": {
+      "version": "2.1.18",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.18.tgz",
+      "integrity": "sha512-lc/aahn+t4/SWV/qcmumYjymLsWfN3ELhpmVuUFjgsORruuZPVSwAQryq+HHGvO/SI2KVX26bx+En+zhM8g8hQ==",
+      "dev": true,
+      "requires": {
+        "mime-db": "1.33.0"
+      }
+    },
+    "minimatch": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.0.4.tgz",
+      "integrity": "sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==",
+      "dev": true,
+      "requires": {
+        "brace-expansion": "1.1.11"
+      }
+    },
+    "minimist": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
+    },
+    "mkdirp": {
+      "version": "0.5.1",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
+      "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.8"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.8",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "dev": true
+        }
+      }
+    },
+    "nopt": {
+      "version": "3.0.6",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-3.0.6.tgz",
+      "integrity": "sha1-xkZdvwirzU2zWTF/eaxopkayj/k=",
+      "dev": true,
+      "requires": {
+        "abbrev": "1.0.9"
+      }
+    },
+    "oauth-sign": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.8.2.tgz",
+      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM=",
+      "dev": true
+    },
+    "once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha1-WDsap3WWHUsROsF9nFC6753Xa9E=",
+      "dev": true,
+      "requires": {
+        "wrappy": "1.0.2"
+      }
+    },
+    "optimist": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
+      "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
+      "dev": true,
+      "requires": {
+        "minimist": "0.0.10",
+        "wordwrap": "0.0.3"
+      },
+      "dependencies": {
+        "minimist": {
+          "version": "0.0.10",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
+          "dev": true
+        },
+        "wordwrap": {
+          "version": "0.0.3",
+          "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
+          "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
+          "dev": true
+        }
+      }
+    },
+    "optionator": {
+      "version": "0.8.2",
+      "resolved": "https://registry.npmjs.org/optionator/-/optionator-0.8.2.tgz",
+      "integrity": "sha1-NkxeQJ0/TWMB1sC0wFu6UBgK62Q=",
+      "dev": true,
+      "requires": {
+        "deep-is": "0.1.3",
+        "fast-levenshtein": "2.0.6",
+        "levn": "0.3.0",
+        "prelude-ls": "1.1.2",
+        "type-check": "0.3.2",
+        "wordwrap": "1.0.0"
+      }
+    },
+    "path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
+      "dev": true
+    },
+    "performance-now": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
+      "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=",
+      "dev": true
+    },
+    "prelude-ls": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.1.2.tgz",
+      "integrity": "sha1-IZMqVJ9eUv/ZqCf1cOBL5iqX2lQ=",
+      "dev": true
+    },
+    "punycode": {
+      "version": "1.4.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+      "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4=",
+      "dev": true
+    },
+    "qs": {
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/qs/-/qs-6.5.2.tgz",
+      "integrity": "sha512-N5ZAX4/LxJmF+7wN74pUD6qAh9/wnvdQcjq9TZjevvXzSUo7bfmw91saqMjzGS2xq91/odN2dW/WOl7qQHNDGA==",
+      "dev": true
+    },
+    "repeat-string": {
+      "version": "1.6.1",
+      "resolved": "https://registry.npmjs.org/repeat-string/-/repeat-string-1.6.1.tgz",
+      "integrity": "sha1-jcrkcOHIirwtYA//Sndihtp15jc=",
+      "dev": true
+    },
+    "request": {
+      "version": "2.87.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.87.0.tgz",
+      "integrity": "sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==",
+      "dev": true,
+      "requires": {
+        "aws-sign2": "0.7.0",
+        "aws4": "1.7.0",
+        "caseless": "0.12.0",
+        "combined-stream": "1.0.6",
+        "extend": "3.0.1",
+        "forever-agent": "0.6.1",
+        "form-data": "2.3.2",
+        "har-validator": "5.0.3",
+        "http-signature": "1.2.0",
+        "is-typedarray": "1.0.0",
+        "isstream": "0.1.2",
+        "json-stringify-safe": "5.0.1",
+        "mime-types": "2.1.18",
+        "oauth-sign": "0.8.2",
+        "performance-now": "2.1.0",
+        "qs": "6.5.2",
+        "safe-buffer": "5.1.2",
+        "tough-cookie": "2.3.4",
+        "tunnel-agent": "0.6.0",
+        "uuid": "3.3.2"
+      }
+    },
+    "resolve": {
+      "version": "1.1.7",
+      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.1.7.tgz",
+      "integrity": "sha1-IDEU2CrSxe2ejgQRs5ModeiJ6Xs=",
+      "dev": true
+    },
+    "right-align": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
+      "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "align-text": "0.1.4"
+      }
+    },
+    "safe-buffer": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+      "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
+      "dev": true
+    },
+    "safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
+    },
+    "source-map": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+      "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "amdefine": "1.0.1"
+      }
+    },
+    "sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
+      "dev": true
+    },
+    "sshpk": {
+      "version": "1.14.2",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
+      "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
+      "dev": true,
+      "requires": {
+        "asn1": "0.2.3",
+        "assert-plus": "1.0.0",
+        "bcrypt-pbkdf": "1.0.2",
+        "dashdash": "1.14.1",
+        "ecc-jsbn": "0.1.1",
+        "getpass": "0.1.7",
+        "jsbn": "0.1.1",
+        "safer-buffer": "2.1.2",
+        "tweetnacl": "0.14.5"
+      }
+    },
+    "supports-color": {
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
+      "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
+      "dev": true,
+      "requires": {
+        "has-flag": "1.0.0"
+      }
+    },
+    "tough-cookie": {
+      "version": "2.3.4",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.4.tgz",
+      "integrity": "sha512-TZ6TTfI5NtZnuyy/Kecv+CnoROnyXn2DN97LontgQpCwsX2XyLYCC0ENhYkehSOwAp8rTQKc/NUIF7BkQ5rKLA==",
+      "dev": true,
+      "requires": {
+        "punycode": "1.4.1"
+      }
+    },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "5.1.2"
+      }
+    },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "dev": true,
+      "optional": true
+    },
+    "type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "1.1.2"
+      }
+    },
+    "uglify-js": {
+      "version": "2.8.29",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
+      "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "source-map": "0.5.7",
+        "uglify-to-browserify": "1.0.2",
+        "yargs": "3.10.0"
+      },
+      "dependencies": {
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true,
+          "optional": true
+        }
+      }
+    },
+    "uglify-to-browserify": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/uglify-to-browserify/-/uglify-to-browserify-1.0.2.tgz",
+      "integrity": "sha1-bgkk1r2mta/jSeOabWMoUKD4grc=",
+      "dev": true,
+      "optional": true
+    },
+    "uuid": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA==",
+      "dev": true
+    },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "1.3.0"
+      }
+    },
+    "which": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/which/-/which-1.3.1.tgz",
+      "integrity": "sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==",
+      "dev": true,
+      "requires": {
+        "isexe": "2.0.0"
+      }
+    },
+    "window-size": {
+      "version": "0.1.0",
+      "resolved": "https://registry.npmjs.org/window-size/-/window-size-0.1.0.tgz",
+      "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
+      "dev": true,
+      "optional": true
+    },
+    "wordwrap": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
+      "integrity": "sha1-J1hIEIkUVqQXHI0CJkQa3pDLyus=",
+      "dev": true
+    },
+    "wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
+      "dev": true
+    },
+    "yargs": {
+      "version": "3.10.0",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
+      "dev": true,
+      "optional": true,
+      "requires": {
+        "camelcase": "1.2.1",
+        "cliui": "2.1.0",
+        "decamelize": "1.2.0",
+        "window-size": "0.1.0"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
index dc49987..7398835 100644
--- a/package.json
+++ b/package.json
@@ -1,13 +1,14 @@
 {
   "name": "@rduk/errors",
-  "version": "1.3.0",
+  "version": "1.3.1",
   "description": "Custom Errors library for Node",
   "main": "lib/factory.js",
   "scripts": {
     "test": "istanbul cover node_modules/jasmine/bin/jasmine.js --report cobertura",
-    "posttest": "istanbul report && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
+    "report": "istanbul report",
+    "coveralls": " npm run report && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js && rm -rf ./coverage"
   },
-  "author": "RDUK",
+  "author": "RDUK <tech@rduk.fr>",
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -24,8 +25,8 @@
     "nodejs"
   ],
   "devDependencies": {
-    "coveralls": "3.0.0",
+    "coveralls": "3.0.1",
     "istanbul": "0.4.5",
-    "jasmine": "2.8.0"
+    "jasmine": "3.1.0"
   }
 }