use "raise SystemExit" instead of exit()
Add Pypi package image with a link Pypi
Merge pull request #52 from gianpaj/patch-1

Add Pypi package image and link in README file
mlaunch doesn't nest /data folder anymore (#54 fixed).
Changed behavior: no positional argument for folder name. Use --dir instead.
mlaunch checks unknown arguments against the current version of the binary and filters invalid ones out (#55 fixed).
Merge branch 'develop' of github.com:rueckstiess/mtools into develop
added fix to a bug with mlogmerge and multiple labels.
now you can specify a path for the mongod and mongos binaries with --binarypath PATH (fixes #46).
mlogvis: when clicking reset, keep group selection, only reset zoom window (fixes #56).
added fix for #56 in CHANGES.md
Merge branch 'develop' into feature-39-tests
changes to all tests.
added section on testing for contributing docs.
added mlaunch sharded test.
added more mlaunch tests.
added more tests for mlaunch.