Pypsh

=================

- **feature**: added new `copy` subcommand. Therefore the `cmd` command has
to be specified explicitly and is no longer the default command.

=================

- **feature**: added --serial (-s) parameter to run commands serial instead of
parallel.

=================

- **feature**: output is now colored

- **feature**: a summary of matched hosts is printed before cmd execution

- **feature**: a summary of (un)successful cmd invokations is printed after cmd
execution

- **bugfix**: improved error handling in case of wrong regex or ssh connection
errors.

- **bugfix**: fixed erroneous import in setup.py that caused it to require all
dependencies to be already installed.

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- initial version