Merge pull request #157 from ljwolford/removelog

Removelog
Merge pull request #158 from ljwolford/removelog

Removelog
refactor req_dict
fixes
conflicts resolved
adding 500 back in
Merge pull request #159 from creighton/orgdict

Orgdict
Merge branch 'master' of https://github.com/adlnet/ADL_LRS into removelog
added field valdiation for stmts and subs