Modified iterator for hashmap, added getitem and setitem
Added setitem for vectors
Fixed tests in snap-test to be compatible with new map iterator
Updated the documentation for newly-implemented functions
Modified thash.py to work with new THash iterator and  __getitem__
Added a few new tests
Changed ConvertESubGraph to work with PUNGraph, PNEANet
Updated some of the documentation and tests
Added TIntSet
Updated documentation
Remove single data structures page
Finished pages for basic types
Merge remote-tracking branch 'upstream/master'
Minor fixes for basic types
Changed set iterator to use TVec, added len and delitem methods
Merge remote branch 'upstream/master'