Better formatting of pyshell.backup
Minor updates to configuration documentation.
Adding development ideas
Adding dependence on .six
2to3 conversion for metaclass
pyshell.util 2to3 compatibility
Test compatibility for pyshell.util 2to3
2to3 for pyshell.console.pbar
2to3 for pyshell.loggers
2to3 for pyshell.config
2to3 for tests.test_config
2to3 fixes for pyshell.core and pyshell.base
2to3 for pyshell.package
2to3 pyshell.backup
2to3 pyshell.pipeline including literals
2to3 pyshell.bump_version
Updating travis for python3.2