Merge pull request #11 from CodexVII/master

Hard coded test cases
Merge pull request #12 from CodexVII/master

Memory allocation and freeing issues have been resolved (Props to Reiner)
Update polynomial.c

Added error checks to various functions
Update polynomial.h

Enumeration type and corrections to function declarations
Merge pull request #13 from GearoidCremin/master

Error handling for some of the functions
Changelog updated to 24/11/14
Merge pull request #14 from CodexVII/patch-1

Changelog updated to 24/11/14
Delete CHANGELOG
Delete Makefile
Delete arithmetic.c
Delete main.c
Delete polynomial.c
Delete polynomial.h
Delete CHANGELOG
Delete Makefile
Delete arithmetic.c
Delete main.c
Delete polynomial.c
Delete polynomial.h
Update Makefile