add coin flip simulation project. close #40
Update alarm.py

In case of Choice 1 the previous code would play alarm on wrong time. For e.g. current time is 03:40 and users sets alarm for after 150 minutes so it should play alarm on 06:10 but code would play at 5:10 itself.
I have edited the code for this condition as well.
Merge pull request #43 from gaurav-91/patch-1

Update alarm.py
Update piglatin.py

The existing program will give wrong output in case of glove or the letters which have more than 1 consonant at starting.
I have modified it to give correct output, please let me know if i have missed any test case.
Merge pull request #44 from gaurav-91/patch-2

Update piglatin.py
Fixing Ceasar Cipher descriptions by changing all occurrences of 25 to 26.
Merge pull request #45 from jbranchaud/fixing-cipher-description

Fixing Caesar Cipher descriptions