1.6.0
Drop support for EOL Python <= 2.6, 3.0-3.3
more accurate line width estimate for e.g. taking into account full width asian characters, accented latin characters
Fix py.log import error on Windows due to syslog
Don't make assumptions about fs case sensitivity in make_numbered_dir
Fix import in test_error.py
remove py/_test and proxy py.test namespace to the new 'pytest' package (version 2) remove py/_cmdline and command line tools (now in separate 'pytools' package)