Memberstore zum Singleton gemacht
Login only from frontpage with changed redirects
new api for getting members by nickname
merges
streamlining reading members
shortening existence test
memberstore now returns real member objects
renamed member to user
fixed link
test for fixed link
fixed test again

We shouldn't test the rendering :(
changed control flow
more adaptions
Merged Dimitrys commit
manual adaption of dimitry's fix
Manual Merge
Merge pull request #51 from leider/master

Einiges an Änderungen - Ich hol es jetzt rein, da es kein Veto gibt