Merge pull request #1 from smickles/master

Setup Script
Merge pull request #2 from smickles/master

Signature verification
Changed MPEX domain to new mpex.co domain.
added basic confirm function
added commandline option to disable prompt, added argparse-based argument parsing.
added option to use GPG agent instead of asking for passphrase
don't prompt for known harmless commands
set default value for use_agent to maintain compatibility with existing code
added file logging, enabled by default (since the output is likely to be needed later).
Merge pull request #3 from jurov/master

Added several new functions
decimals are prone to display in 1E+1 notation, applied fix form python manual
PUSH CxBTC support
Update README.md

If this is incorrect, tell me.
Merge pull request #4 from smickles/patch-1

Update README.md
Convert setup.py to use setuptools and define entry point for
'mpex' executable script. After 'setup.py install', user can
run mpex by simply typing 'mpex'.

Fixed install requirement to use full gnupg package name
Merge pull request #5 from pschork/master

Installer imrpovements
Compute and output order digest for matching order with TradeHistory ('Track' value).
Prepare for MPEx key change on Match 10th.
Merge branch 'master' of git://github.com/jurov/pyMPEx into jurov-master

Conflicts:
	mpex.py
Fixed date of key change and runtime error.