Added trivial grammar E_NP_ for testing. Fixed error in Chart parses method, where it would incorrectly return some parses that did not start at the beginning of the input (and therefore did not span the whole input).
Added trivial grammar E_NP_ for testing.
Fixed error in Chart parses method, where it would
incorrectly return some parses that did not start at the beginning
of the input (and therefore did not span the whole input).

ttalviste/aima,hobson/aima,ttalviste/aima,hobson/aima,hobson/aima