logging level back to info
fix bug that didn't exclude edges deleted in memory from edge searches
minor edit to force travis retest
Merge pull request #222 from nla/sc-remove-edge-fix

fix bug that didn't exclude edges deleted in memory from edge searches
base functionality for tags plus modification to amber query classes (some abstraction and combine criteria by either 'and' or 'or')
version bump
Merge pull request #223 from nla/sc-tags-91

Sc tags 91, merged.
Merge remote-tracking branch 'origin/master' into ead-upd
merge in latest changes.