Make sure we pass parameters as binary on windows.

This fixes #320 (thanks @adamkerz).
Changelog re #320

Closes #409
Merge branch '1.13' into 1.14
Merge branch '1.14' into 1.15

Conflicts:
	sites/www/changelog.rst
Merge branch '1.15'
Update documentation of lookup method.

The documentation reflected pre #93 behaviour.
Merge branch '1.13' into 1.14
Merge branch '1.14' into 1.15
Merge branch '1.15'