Clean up / revise some tests
Create QML implementation layer for TCPSocket
Added basic match functionality of TCPSocket

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extra : amend_source : bfa94f28c13883f13c419ed25f43782cb9b08a16
Added TODO.md with some notes
Revise test_match in tst_tcp_match to include cross-packet matching
Convert indentation to 2 spaces (from 4 spaces)
Remove app.qml from version control
Add support for preMatchString in match signal
Added support for matchCaptures in match signal

--HG--
extra : amend_source : c1abee4c5b1ea07c72ebd5fb7bf665e59634beac
Reorder arguments in TCPSocket#match signal
Disable expression matching by default

--HG--
extra : amend_source : 32c9287444be6c10c34493df720978c0b87ad2e8