Allow unique validator scope & case insensitivity
Removes sections from Readme that are already in the Wiki

Just leaves a link to the wiki page.
Fixes throw when calling ChainFind.first() or .last() and it has an error
Adds connection.pool and connection.debug settings

Instead of passing in the database URL, you can now just switch in the
settings defore connecting.
Fix infuriating validation bug
Lint
Unique validation scope should pass with null scope property
Infinite loop test case - issue #279
Merge remote-tracking branch 'upstream/master'

Conflicts:
	lib/ChainFind.js