fix typo
Update http_cache.rst
Merging #561
Merging #562
Merging #565
Merging #560
Merge pull request #567 from zeroespace/2.5

fix typo
Merge pull request #568 from anaphel/patch-1

Update http_cache.rst
Merge remote-tracking branch 'origin/master'
Merge branch 'master' into 2.5