and rule/r2l
second and-rule/r2l
add example
Merge pull request #67 from rodsol/r2l

R2l
Adding rules for generating "degree" unary relationship
Add method for printing Unary relationships
Improve TestRelEx class ability  to validate unary relationships
Merge remote-tracking branch 'upstream/master' into newunittests
Add description for special subscript "EEm"
Add description and some spelling corrections
Some spelling corrections
Adding test sentence "He runs less quickly than John.". Existing works fine for this case
Merge pull request #68 from kkasunperera/newunittests

Improve Test class ability to validate unary relationships