shell: Makefile, prototype
fix: freeing ports; ports now properly deallocated after app crash or exit
add getEphemeralPort() in node API
capsule serialization fix
src ip fix in shell
add Node API: getInterfaceAddresses()
shell: move StopWait class; modifications to SessionManager: key as pair<ADR,PORT>
Preparation for Shell SessionManager
Add seqNum, adr a port to process datagram
Shell: Stop and Wait ARQ enhacments; UNSTABLE
Stop and Wait ARQ fixes in shell
Buffer trim fix (remove 4B ports form begining of response)
removed unnecessary files
Fix ugly Stop and Wait error
add getters to Stop and Wait ARQ classes
messagecontructor.cpp prototype
add constructors and parser functions for different types of messages
Complete shell/messageconstructor.cpp
SRP: add additonal safety detection of zero length parameters
ClientSession class prototype