ongoing implementation of i-telex server functionality
small improvements
Server query inside ITelexDevice
Device - Conenct with iTelex number (internal server query)
Correction acc. deletion of IPAddr, use of GetChar / SendChar
iTelexDevice: ReadChar and SendChar added
IPAddr removed from struct TITlxClientData, makefile improved
IPAddr removed from struct TITlxClientData
case corrections
