Fix tags
Right now it's broken
Add a test to detect #49
Fix url
Cache entries can be lost with no effect
Put compiler code out of DiskCache
Fix #49 with ugly hack
Cut payload in two classses
Simpler code
FIX ##34. Support file uploads
Move code where it belongs
Simplify test
Fix #27. Role Filter
Can override the way Context objects are created
Can override the way Payload is written
Clean up code
Move code where it belongs
Simpler code
Break dependency to Site and still enables custom helpers
Trying to get rid of Site.get() usage