Removed some magic constants. Improved syntax highlighter.
Auto complete widget added.

Conflicts:
	You-GUI/main_window.cpp

Conflicts:
	You-GUI/yougui.ui
Updated syntax highlighting and finished auto-complete

Conflicts:
	You-GUI/main_window.cpp
Refining auto-complete
Cleanup
Removed unnecessary stuff.
I stayed awake for this single whitespace lint error.
Small fixes.
Rudimentary command history. Fixes #239.
Amended size policy
Merge pull request #253 from angathorion/auto-complete

Auto complete and other fixes
Use move semantics instead of copying all the time.
Add failing test case from #238.
Explicitly handle whitespace ourselves.
Fix bad test answer.
Have a negative test case.
Properly deal with whitespace. Fixes #238.

Conflicts:
	You-NLP/query_parser.cpp
Use bind to reduce code coverage false negatives.

Conflicts:
	You-NLP-Tests/query_parser_tests.cpp
More binds.
Document operations_test