Removed debug printfs.
EXIT_FAILURE on TError.
Update test.
Lab5 done.
Delete trash.
small test change for lab5.
Change makefile to build lib instead of link to object files.
Remove warnings.
Add semantic tree function, printTree function.
Perl script for tree visualisation.
Add to tree funcitons and variables, <for> not implemented.
Visualize tree to separate file.