fixed reseting IsConnected on socket exception that indicated that
something went wrong with the network
fixing bug that added IPlc.Read - it should be just Read like before
fixing bug that added IPlc.Read - it should be just Read like before
Merge branch 'master' of github.com:abenedykt/s7netplus

Conflicts:
	S7.Net/PLC.cs
Merge pull request #14 from abenedykt/master

Fixed bug in IPlc.Read as well as reset IsConnected on socketconnection.