Enhance comparators for memory connector
Add more tests
Make sure the records are sorted by seq
Fix the typo
Add boolean tests
Fix the comparison for null/boolean values
Merge pull request #132 from strongloop/feature/memory-connector-comparator

Feature/memory connector comparator
Add ModelBuilder class
Initial JSDoc cleanup
Minor JSDoc cleanup
Add hooks and include mixins
Add hooks remove dao
Optimize toObject() impl
Remove the change tracking
Replace in with property accessor
Clean up code
Calculate loop count first
Clean up _initProperties
Don't apply setters when it's loaded from a datasource