Removed the bloated xcode directory which was in the distro for no good reason
Modified Tree + operation; can now supply branch length arguments and also directly attach to parent (instead of always splitting the branch)
Stubbed out the test for _hyListReference
Split _hyListReference into _hyListReference and _hyListReferenceOrderable; initial gtest for _hyListReference
Fully checked and tested _hyListReference
Fully checked and tested _hyListReference
_hyListReferenceOrderable implemented and tested; virtual inheritance applied to _hyList; cleaned up derived class constructors
_hyListReferenceOrderable implemented and tested; virtual inheritance applied to _hyList; cleaned up derived class constructors
Partial _String unit test and some code cleanup
Merge branch 'master' of github.com:spond/hyphy into v3-template
Merge branch 'v3-template' of github.com:spond/hyphy into v3-template
Continued work on _String cleanup and testing
Partial refactoring and clean up of string functions and tests
Working on strings and their unit tests: rewrote EqualWithWildChar and streamlined other simple functions
Continuing work on strings.cpp refactoring and testing
Refactoring and testing _String; Adler32, setChar, Tokenize
Merge branch 'v3-template' of https://github.com/spond/hyphy into v3-template

Conflicts:
	src/core/string_buffer.cpp