Dependency bump & client build with oracle
Remove use strict for consistency
Extract raw query formatting from constructor
Add .joinRaw and remove deprecated join notices
Update docs for joinRaw, #160 / #423
Updating code for transaction example, fix #397
Do not attempt to release undefined connections from pool, #414
Merge branch 'master' of github.com:tgriesser/knex

* 'master' of github.com:tgriesser/knex:
  oracle - fix returning for non-integer types
  oracle - fixed create if not exists
Merge pull request #424 from seansullivan/master

Do not attempt to release undefined connections from pool, #414
Merge branch 'master' of github.com:tgriesser/knex

* 'master' of github.com:tgriesser/knex:
  oracle - fixed first and added more tests
  Fix bad argument to builder.whereNull
  don't throw away the postgres client's password
  oracle - fixed SQL for dropping multiple columns
  Do not attempt to release undefined connections from pool, #414
Fix #434, add returning config option
Fix #427, raw / subqueries on insert
More thorough test of query builder