Implemented strdup inside xstrdup for more compatibility with ANSI
standard, however use of off_t variables prevents code from being
fully ANSI compliant.
Added a comment in utils.c
Lab2 initial commit

All of C objects infrastructure implemented
A whole bunch of code changed. Went too long without commiting, this is
the result
Updated Makefile
Started work on preprocessor in perl
Cleaned up and ported tester.sh to lab2
Added main Makefile which will allow for compiling and running tests on all
projects at once

Small modifications to makefile flags
Small changes in C code
Initial commit for Lab3, build succesful
Lab3 complete. Need to cleanup code
Cleaned up part of lab 3 code, lots more to do