Fixing code as Murilo suggested
- Fixed issues #287, #286, #285, #284
- Lets allow underline on module function names
- Removed uneeded mutex usage
- Removed uneeded mutex usage [2]
Foo.
Merge branch 'master' of github.com:clever-lang/clever
Dumping boolean values now prints 'true' and 'false' instead of 1 and 0