Release 1.3

Changes since v1.2

• Move package files to the src directory.
• Activate napoleon extension for sphinx.
• Permit zero thickness in sheetCF.
• Convert print statement to a function.
• Generalize WeakBoundMethod interface and fix its pickling.
• Replace duck-taped bound methods with regular methods.
• Remove unnecessary custom pickling of bound methods and numpy.ufunc.
• Switch to automated TestCase discovery.
• Support test selection in the debug.py script.
• Improve API for the abstract Operator classes.
• Remove unused ListOperator and SetOperator classes.
• Declare namespace package with builtin pkgutil module.
• Clean up issues reported by pyflakes.

Release is also available at https://pypi.python.org/pypi.