version_info = (0, 7, 1)
__version__ = '.'.join(map(str, version_info[:3])) + ''.join(version_info[3:])

version_info = (0, 8, 0, 'dev0')
__version__ = '.'.join(map(str, version_info[:3])) + ''.join(version_info[3:])

bump version to 0.8.0dev0