Add support for swift types to Attribute
Merge pull request #6 from tomguthrie/attribute-bool

Add support for swift types to Attribute
Include a gitignore
Update to Xcode Beta 3 Syntax
[Attribute] Add support for composite keys
[Attribute] Conform to the Equatable protocol
[Attribute] Include count Attribute helper
[Tests] Convert Person from Objective-C to Swift
[QuerySet] Conform to the Equatable protocol
[Attribute] Support filtering and excluding by boolean
[README] Simplify count