Adds HasOut and HasIn properties to NetMQSocket
NetMQFrame Implement Equals and GetHashCode
Adds NetworkOrderBitsConverter because .net BitsCoverter convert by the platform endianess
Adds new features to NetMQMessage: 1. Specify encoding for strings 2. Push and Append int32 and int64 3. Convert frames to int32 and int64
Add encoding overload to all methods that receive string
Adds ability to push Blob to NetMQMessage
Adds duplicate method to NetMQFrame
Merge pull request #128 from somdoron/SmallFeatures

Small features