Memory leaks corrected and. socket timeout handling improved.

[eazpiazu]

• Added missing calls to functions that free memory to correct memory leak.
• m_Array variable's memory managed in NDArrayMessage.
• When receiving data from a socket, handle timeouts differently than errors.
• Bug corrected when increasing m_CurrentReadIndex when just part of the body has been received.

[eazpiazu]

Calls to functions that free memory may also be missing in the following methods but have not been tested:

• int GetBindMessage::UnpackContent()
• int StartBindMessage::UnpackContent()
• int CapabilityMessage::PackContent()
• int CapabilityMessage::UnpackContent()
• int PolyDataMessage::UnpackContent()