Merge pull request #7 from xarg/master

Functional configuration refactoring. Fixes #5
#1 developing test suite. Added tests for CAPABILITY and LOGOUT. Other commands TODO.
#1 developing test suite. Added tests for CAPABILITY and LOGOUT. Other commands TODO.
transform the lexer.skipSpace to skype only one space and handle the issue #6 / add of astring exception to the astring bytes check