Fixes metaclass documentation
Includes `integers` in compat
Creates `make_a10z`
Implements a continuously_slides window function. This allows to create n-grams.
Ports some utilities for multi-threading applications.
Substitutes deprecation warnings with Sphinx's directive
Introduces `xoutil.string.input` which is compatible with between Py2 and py3k. TODO: This probably should be in `future`.
Tests by default in python 2.7, python 3.3 and pypy. Python 3.2 is now moved to its own ini file.
Allows to pass arguments to `lazy`
Merge branch 'develop' into release-1.4.1
Improves documentation
Adds `classproperty` documentation
Fixes deprecated import of Unset from xoutil.types