skip LEFT-WALL
added helper function and sorted parse-get-words output
updated comment at the top of the file
modified string comparison to number
split parse-get-words into two different versions
modify files that need in order version
moved LEFT-WALL check to relex-to-logic.scm
removed unneeded LEFT-WALL -1 index
Merge pull request #857 from williampma/nlp_scm

Additional fixes for opencog/relex#71