Fixed logger for Python 3.4
Fixed format calls for Python 3.4
Added CHANGES entry
Fixed cosmology test for Python 3.4
Implement suggestions from @mdboom by removing :s from e.g. {0:s} since the :s is redundant and does not work in Python 3.4
Non-integer shapes will be unsupported in a future version of Numpy.
Turn DeprecationWarnings into exceptions during testing.
Add CHANGES entry.
Ignore Scipy-related deprecations.
Fix deprecation handling self-test
Prevent deprecation warning on Python 2.6 because division automatically
converts to float
Warn, don't raise exception, if a package has no documentation section.
Ignore a deprecation warning produced by py.test on Python 2.6
Test that deprecation exceptions are working differently, after
suggestion by @embray
Fix deprecated Numpy dtype where a length is given for "l"
Fix creation of column mask in example.
Refactor warning management so that DeprecationWarnings are *always* on.
Avoid DeprecationWarning from Numpy.