V 2.1.2

Fixed small issues related to a inverted conditions

V 2.1.1

Added progress for download operations, added mutually exclusion for those operations that can't run at same time, added background observer

V 2.1.0

Added couple of improvements to the operations, abstracted the networking layer inside Foundation.Operation to allow conditions and added unit tests.

Renamed Group Operation

Renamed GroupOperation to TaskOperation and added new features like, cancel, suspend and resume the operation

2.0.6

bumped to 2.0.6

Allowed @escaping for condition block

2.0.5

allow escaping for the condition block

Swift 3 candidate

2.0.4

2.0.4

Swift 3.0 Code

2.0.2

bumped to 2.0.2

V1.0.1

added public init

V1.0.0

made public the observers