added requirements.txt
added prompt to let the user enter 'number of players' when the game starts.
StopIteration was not caught and the program would crash if the dealer called for a hit and the value went past 21. caught the StopIteration and added a 'dealer busted' message.
removed the 'print hitting'
Merge pull request #5 from PavanGaikwad/changes_to_pull

Changes to pull