Intialize argparser fully before parsing arguments.
Move argparse and virtualenv into py subdirectory.
Separate data files from source files for Python lib targets.
Rename entry_point to console_script.
Add entry point support for python libs.
Add bootstrap build script.
Fix detection of the root of the repository.
Bump package version to 0.2.
Fix typo.
Refactor the creation of the subcommand argparsers.
Remove unneeded __future__ imports.
Remove unused class attribute.
Pull up generic Target class from BuildTarget.
Allow Targets to discover their own dependencies.
Port run command to new dependency resolution method.
Add RunTarget.

This is a target for running a binary. It is used by the run subcommand.
Make __init__ call immediate parent's __init__.
Add upstart script build target.
Bump to version 0.3.
Remove specific python versions.