Support 'include' in queries
no puts
Merge pull request #2 from ericcj/include_parameter

Support 'include' in queries
Merge remote-tracking branch 'adelevie/master'

Conflicts:
	lib/parse/query.rb
	lib/parse/util.rb
fix error handling when parsing response occasionally yields nil
dup constant
Merge pull request #58 from ericcj/master

include support in queries