Set git depth to 1000 for Travis CI.
Merge pull request #155 from murrekatt/git_depth

Set git depth to 1000 for Travis CI.
Comments cleanup.
Removed mock.
Removed commented out function.
Moved default ctor last without definition.
Removed commented out function.
Moved member variables last.
Moved private members last.
Remove dead code.
Moved private header into src.
Moved function into anonymous namespace in source file.
No virtual needed and improved release of memory.
Moved member variables last.
Changed public member variables to private, removed unused functions or made others private.