added some methods
Merge branch 'master' of github.com:agrosner/DBFlow into simpler_transactions

Conflicts:
	src/main/java/com/grosner/dbflow/sql/builder/ConditionQueryBuilder.java
using structure utils logic for fields for simpler code
fixed merge
one more fix
Merge pull request #3 from agrosner/simpler_transactions

Simpler transactions