logical or working; keyboard interrupt handled; work in progress - error handling
expressions for function arguments and return values added; productions for True, False added; fixed while loops; line numbers for error outputs;
Support for list element as argument into function added; Productions for True & False added; Resolved all reduce-reduce conflicts; while loop modified to take conditions based on True & False; Fixed if to work only on True (instead of anything but 0); Error handling - number of function argument mismatch, invalid function
Added ';' at the end of selectionstatement and iterationstatement productions; Fixed functions to deal with more than 2 args; Added a few test-cases
just one more test case! :X
Testing times