Merge pull request #29 from dmb2168/chris_kira_semantic_analysis

Working on tree assignment and child operator
Merge pull request #31 from dmb2168/chris_kira_semantic_analysis

Preliminary Work in Tree Unop. Only Available to t@ and only on rhs
Update README.md

updating with requirements and adding make to quickstart
Update README.md

changed formatting
Added tests for C arithmetic
Added test for recursion
Added for loop test
Added tests for functions
Added gcd test
Merge pull request #32 from dmb2168/chris_kira_semantic_analysis

child access operators working on both sides of assign, except for case ...
Merge pull request #33 from dmb2168/chris_kira_semantic_analysis

s%0 = t%0 is working EXCLAMATION POINT EXCLAMATION POINT EXCLAMATION POI...
Added test for global variables
added test for integer operations
Fixed parsing error with return statement
Added test for floating point operations
added tests for mixed statements
Added test for variable assignment
Added another test for variable assignment
Added another test for variable assignment
Added while loop test