wsa4000gui: turn of verbose messages, add -v option to enable
remove "-dev" from 0.3.1 version
remove now unused VRTTooMuchData exception
CHANGELOG: document latest changes
breaking backwards compat, so call this 0.4.0
wsa4000gui: revert to using individual captures

streaming mode has poor performance on slow network connections (too much buffered data)
stream.py: measure correct stream packets
CHANGELOG: add wsa4000gui change
TwistedConnector: allow vrt_callback to be passed to __init__()
docs: add new WSA4000 methods
Merge pull request #17 from wardi/master

tidy up for pyrf-0.4.0