Slight change
Put AndLinks and single arguments in EvaluationLinks in ListLinks
Updated README
Renamed old version of pln context rules; created new version
Added SubsetToContextRule
Added ContextToInheritanceRule
Created ContextToEvaluationRule
Created ContextFreeToSensitiveRule

Formula for truth value calculation still needs to be implemented
Small changes to context rules
Added truth values to context examples

So examples are going to be recognized by PLN
Created ContextAgent and example to run it

Using examples originally used for pattern matcher verification
Added deleted outputs
Created contextFormula
Applied small fix
Added condition for ContextToSubsetRule
Limited line length to 80 characters
Added doc strings, explanation links
Merge pull request #861 from sebastianruder/context

Update of pattern matcher context rules; porting of context rules to Python