diff --git a/Project.toml b/Project.toml
index 59fd17d..d7972cf 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "CombinedParsers"
 uuid = "5ae71ed2-6f8a-4ed1-b94f-e14e8158f19e"
 authors = ["Gregor Kappler"]
-version = "0.1.0"
+version = "0.1.1"
 
 [deps]
 AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
@@ -18,7 +18,7 @@ InternedStrings = "0.7"
 Nullables = "1.0.0"
 TextParse = "0.9, 1.0.0"
 Tries = "0.1.4"
-julia = "1"
+julia = "1.3, 1.4, 1.5"
 
 [extras]
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/docs/src/man/pcre-compliance-failed.md b/docs/src/man/pcre-compliance-failed.md
index 704571f..b54506a 100644
--- a/docs/src/man/pcre-compliance-failed.md
+++ b/docs/src/man/pcre-compliance-failed.md
@@ -1,8 +1,10 @@
 
+
 # Failed PCRE Tests
 25 failed tests on 17 patterns.
 
 
+
 ## Skipped
 12 patterns were skipped for the following reasons:
 
@@ -125,6 +127,7 @@ parse(r"(|\1xxx)+", "xxx")
 
 (no 1173) skipped, because of very long compile time. The complex pattern parses PCRE regex syntax.
 
+
 ## Failed tests
 
 
diff --git a/docs/src/man/pcre-compliance.md b/docs/src/man/pcre-compliance.md
index 58073a9..a995e5a 100644
--- a/docs/src/man/pcre-compliance.md
+++ b/docs/src/man/pcre-compliance.md
@@ -1,22 +1,18 @@
 # Compliance with the PCRE test set
 !!! note 
     PCRE features supported by `@re_str` 
-	- Characters
+    - ✅ sequences, alternations (`|`), repetitions (`*`,`+`,`{n}`, `{min,}`, `{min,max}`), optional matches (`?`)
     - ✅ escaped characters and generic character types
     - ✅ character ranges (`[]`)
-	- Basics
-    - ✅ sequences, alternations (`|`), repetitions (`*`,`+`,`{n}`, `{min,}`, `{min,max}`), optional matches (`?`)
-    - ✅ lazy repetitions
-    - ✅ atomic groups
-    - ✅ options, internal and accross pattern
-    - ✅ comments
-	- Capturing
     - ✅ non-capturing groups
     - ✅ capturing groups, backreferences, subroutines (all by index, relative index and name)
-    - ✅ conditional expressions
-	- Assertions
-    - ✅ simple assertions (`\A`, `\z`, `\Z`, `\b`, `\B`, `^`, `$`,...)
+    - ✅ simple assertions (`\A`, `\z`, `\Z`, `\b`, `\B`, `^`, `$`)
     - ✅ lookaheads and lookbehinds
+    - ✅ atomic groups
+    - ✅ lazy repetitions
+    - ✅ conditional expressions
+    - ✅ internal and pattern options setting
+    - ✅ comments
 !!! warning 
     PCRE functionality that is currently not supported:
     - ❌ Capture groups in lookbehinds.
diff --git a/src/CombinedParsers.jl b/src/CombinedParsers.jl
index 9ee2209..7ba09db 100644
--- a/src/CombinedParsers.jl
+++ b/src/CombinedParsers.jl
@@ -1522,7 +1522,8 @@ sSequence_(x::Sequence) = sSequence_(x.parts...)
 sSequence_(x::Always) = tuple()
 sSequence_() = tuple()
 sSequence_(x1) = tuple(parser(x1))
-sSequence_(x1,x...) = Iterators.flatten( ( sSequence_(x1), Iterators.flatten( ( sSequence_(e) for e in x ) ) ) )
+sSequence_(x1,x...) =
+    Iterators.flatten(tuple( sSequence_(x1), collect(Iterators.flatten( ( sSequence_(e) for e in x ) ))))
 
 """
     sSequence(x...)