.
moved tests.
update auth models and tests.
Added `ConstructorMix`.
added query module and tests.
added util module for random, hash, binary encode functions.
moved `record_token_mix` and `url_token_mix` to modelmix.sec module. Added tests.
Refactor/fix `sec` module.
doc update
refactoring
fix group_permission_mix
refactor. added association model.
attempt at AssociationMix. Added UniqueMix (UniqueObject)
add filesafe_benc, namespace changes.
update default url_token_mix token sizes to 8. bump version.
Merge pull request #2 from adoc/develop

develop -> master