[FIX] Use session ID for user uniqueness
Fix link to 'Wow, Much Pool' donor in README
[FIX] Statistics Graphs ACL

Fixes #1760
Merge pull request #1759 from Fapper/patch-1

[FIX] Correct link to 'Wow, Much Pool' donor in README
Merge pull request #1754 from MPOS/csrf-validation

[FIX] Use session ID for user uniqueness