add enums for Comment and indentation
add children that returns all of the child Comments as Array
add libclang ffi functions for Comment
add classes generated in #self.build_from
add common functions for Comment
add HTMLTagComment class
add Param and TParam class implementation
add InlineCommadComment and tests
add VerbatimBlockCommandComment and VerbatimBlockLineComment
add functions which are not implemented yet for BlockCommandComment and tests for that
add tests for FullComment
separate test case by libclang version
Merge pull request #18 from sabottenda/comment

Add comment functions not implemeneted yet and many tests