ExpNot check removed
ExpOp completed for every case
removed empty else block from ExpCall
added the correct return type for ExpIdentifier
refactored code in ExpCall, does not work with inherited Types
ignoring folders that have minijava files that neeed to be checked correctly by the TypeChecker
removed check in StmArrayAssign and added TypeIntArray to ExpOp
removed unncessary check in Exp
returned type boolean for ExpNot
initial commit for developing the interpreter - completed MJObject without inheritance
changed comments in MJObject
added code to allocClassInstance in MJRuntime
added creation of array integer objects in MJRuntime
added some commented out code, wip, for MJObject, stuck :(