Release v1.0.0

= New feature

- Linux support with libsecret (#7 @eagletmt)

  libsecret commuicates with D-Bus secret service; for instance,
  gnome-keyring implements it.

= New feature in v0.2.0 (forgot to note..)

- `--list` command

  On OS X keychain, values have to be set after envchain v0.2.0 or later
  due to data structure change, in prior to be listed.

envchain.c

@@ -39,7 +39,7 @@
 #include "envchain.h"
 
 
-static const char version[] = "0.2.0";
+static const char version[] = "1.0.0";
 const char *envchain_name;
 
 /* for help */