Auto-replace double question marks in request url.
Add freedns.afraid.org as new provider.
Move call to get token to main class.
Add SPDNS as new provider.
Add variomedia as new provider.
Merge remote-tracking branch 'stevee/freedns.afraid.org'

Conflicts:
	ddns.conf.sample
	src/ddns/__init__.py
	src/ddns/providers.py
Merge remote-tracking branch 'stevee/spdns.org'
Merge remote-tracking branch 'stevee/variomedia.de'

Conflicts:
	src/ddns/__init__.py
	src/ddns/providers.py