Adding base test class for test_eval
Testing assignment
Testing compound statements
Testing if statements
Adding test_eval to test runner test.py
Adding test parser method for imp_parser
Testing precedence levels for imp_parser
Adding test_imp_parser to test runner test.py
Testing arithmetic expressions
Testing variable expressions
Testing group arithmetic expressions
Testing binomial expressions
Testing group binomial expressions
Testing less than and not boolean operators
Testing boolean and expression
Testing compound boolean expressions: or, and
Testing group boolean expressions
Testing precedence of not operator
Testing assign and if statements