Removing dangling else and logical-op-paranthesis warnings for all OSX versions. Removing unused _all_binary_ops declaration in parser.cpp
Adding while loop to grammar
Adding do..while to grammar
Removing loop contexts from do..while and while
Adding break and continue functionality in while and do..while loops
Adding support for return in grammar
Adding return hbl test
Merge pull request #162 from stevenweaver/v3

V3