Making +,-,*,/ left associative.
Replacing goto line number with goto label.
Fixing the wrong order of stack maintenance during function calling.
Making relational and boolean expression more simpler.
Adding switch to turn off printing of line numbers
Adding simple code generator for optimization.
Adding Constant folding optimizer.
Adding expression simplification optimizer.
Adding constant propogation optimizer.
Finishing optimization phase.
Fixing problems with optimizer.
Fixing costructor call optimization.
Fixing label if dead code eleminiation.
Finalizing converter.
Remove removing of underscores.
Fixing some minro bugs and formating output little bit.
Merge pull request #9 from Achal-Aggarwal/simple-code

Final Code