Replace lamdas as args with blocks
Support to_object in Transformer
Add transformer to the required files for the gem
Add operators
Add basic query
Reorder dependencies for cosmetic reasons
Move Query out of spec
Update README with MongoQuery
Remove rspec version from guardfile

only rspec is supported now by guard
NestedHashExtractor should consistently return Nothing if expression cannot be resolved
Cosmetic code refactoring
Improve spec descriptions
Cosmetic code simplification
Implement MongoQuery (alfa)
Operator supports additional options
Query supports defaults for params
Add MongoQuery

works like query but builds queries for mongo
Cosmetic code changes in specs
Transformer returns a proc for transformation
Fix mongo Between query