Fix for syntax error
Fix: headers are expected to be str (not unicode)

Conflicts:
	gaetk/handler.py
Bugfix: Credentials are identified by uid (which are sometimes equal to an email adress)

Though it's absolutely fine to have several credentials with identical email adresses
Ermöglicht es, wieder User anzulegen
SICHERHEITSLÜCKE GESCHLOSSEN
Sicherheitsverbesserung
merge
Merge commit '1a010afe33d5af7c242c44abe859b5f803f9fa74'
Eurocent ohne <span> darstellen
Login-Problem (mal wieder) behoben

Wenn auf `users.create_login_url` umgeleitet wird, wird man IMMER zu
Google geleitet. EDIhub hat seinen Login-Dialog unter `/_ah/login_required`
Bootstrap 2.3.1
code robuster gemacht
cleanup
speedup by caching the Credential
lru_cache
Link to gaetk
Merge branch 'master' of https://github.com/hudora/appengine-toolkit