Added line & column number to exception
Revert "Added line & column number to exception"

This reverts commit d8b4693e768322c54c148cad7f0d84f265e75f76.
Lib grammar complete, need testing with ast imp
Merge branch 'master' of https://github.com/GuyFliess/Compilation.git

Conflicts:
	Compilation 2/src/pars/Calc.java