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
Adding test sentence "He runs more quickly than John does."
Adding test sentence "He runs less quickly than John does."
Adding test sentence "He is more intelligent than John."
Adding test sentence "He is less intelligent than John."
Adding test sentence "He runs more than John."
Adding test sentence "He runs less than John."
Adding test sentence "He runs faster than John."
Adding test sentence "He runs more slowly than John."