Florent Xicluna).

renaming of `cPickle` to `pickle`.  The warning was annoying since there's
no alternative to cPickle if you care about performance.  Patch by Florent
Xicluna.

mistake. ( It may come in for sure tough)

Florent Xicluna.

information if a failure happens.

This also simplifies the Cmd.get_names() method implementation; it was written
at a time where dir() didn't consider base class attributes.

Small fixes to test_cmd: fix signature of do_shell, remove duplicate import, add option to run the custom Cmd class.

when using the -3 flag.  Patch by Florent Xicluna.

and make it implement the `io.BufferedIOBase` ABC to allow for further
speedups by wrapping it in an `io.BufferedReader`.  Patch by Nir Aides.

binaries running clean prereq after checkout.
1. So, fix the insane make call in build.sh - seems to solve it.
2. Fix a missing redirection.
3. Check in the rsync opts that actually work during upload.

source_address parameter.

Also cleans up an annotation in the socket documentation.