Merge pull request #17 from epicstar/master

Please merge...
Merge pull request #18 from epicstar/master

Fixed the exact mesh cuis by making the mapping all lowercase
Merge pull request #19 from epicstar/master

Adding an xlsx for people that don't want to read a tab-delimitted file
Merge pull request #20 from epicstar/master

Added documentation to the eclipse file... added a *report.txt file to c...
Changed the program to look at all results in Nobletools to get more
CUIs. Previously it was just the first result. However, this could bring
down the precision of the CUIs but gets words like "Diarrhea" an
accurate CUI. The output is in *_CUIs_v3*.