pool title should be unique
return error when pool title exists + fix pool error reporting
added option to order pool list by created date/last updated/title/count
added option to edit pool description to pool edit page
if cookie doesn't exist, default to "created"
added option to set pool & source via tag
show pool navigation box on pool/view pages
remove backticks
Merge pull request #364 from DakuTree/patch

Pools ext tweaks/additions.