Merge pull request #1 from josenavas/master

Adding wrapper script
Adding script for generating a mapping file from an OTU table
Improving the timing_wrapper.h in order to give a more useful output file name
Merge pull request #4 from josenavas/time_wrapper_mod

Adding a required option in the time_wrapper.sh script...
Creating library
Adding __init__.py file in library folder
Adding tests
Removing *.pyc files and adding .gitignore
Changing tab indentation to space indentation
Fixing tests with random functions
Fixing path issue
Merge pull request #2 from josenavas/mapping_generation

Adding script for generating a mapping file from an OTU table