i don't know what these changes are but i want to pull
Merge branch 'code' of github.com:kyzhai/SMURF into code

Conflicts:
	Code/sast.ml
Merge branch 'code' of github.com:kyzhai/SMURF into code

Conflicts:
	Code/sast.ml
Merge branch 'code' of github.com:kyzhai/SMURF into code
added symboltable