deleted get_end_of_input() and deleted the test for it
Deleted some unnecessary code in command_prompt.c and .h
Correct the bad typing code problem
correct postfixAndInfix function
Still in the progress of writing evaluate()
Resolve merge conflict for the evaluate()
Modified handle_INSERT function, make it work as a toggle
Updated comments for all .c and .h files
Merge branch 'master' of https://github.com/Raydivine/Calculator
Done some changes in OperatorToken and Evaluate files
Merge pull request #11 from banana93/master

Done some changes in OperatorToken and Evaluate files
Merge pull request #12 from darklord1310/master

Updated code in command_prompt.c
Merge branch 'master' of https://github.com/Raydivine/Calculator