set version number to 0.2
added a print for the final result
Merge branch 'feature/cmd_line' into release/0.2

Conflicts:
	sperment/__init__.py
	sperment/experiment.py
bump version number
removing traces of sperment
removed jinja2 dependency
nicer examples
added some warnings about param updates
made float handling more python like
factored out _convert_value function and added tests
improved and simplified _convert_value
made errors inside of evals more readable
refactored argparser
refactored help treatment
Merge branch 'release/0.2' into develop

Conflicts:
	sacred/experiment.py