added image input function
One of the missing input options is image. It is added here, and plays well with both fIDs and string paths
Fixed permissions issues in the CSS cache file generation.
Fixed variable name.
check if user key already exists
Call upgrade script for 5.6.3.1

The upgrade script for concrete5 5.6.3.1 is defined but is not called by
the upgrade script. Let's call it...
speed optimization

Removed unneeded MoveFirst and while loop.
Look up field types once per table instead of per row.
speed optimization

Cache isQuotedType function once per table instead of every row.
Special thanks to mlocati!
escape $uID parameter in PageList::filterByUserID()

Avoid SQL Injection in case a developer passes a user-provided ID directly to this function.
Merge pull request #1772 from jordanlev/patch-6

escape $uID parameter in PageList::filterByUserID()
quote collection type handle
Revert "quote collection type handle"

This reverts commit 976de3ebf7312e782a580635fd830baf74870cfa.
sanitize gID
Merge pull request #1773 from Remo/sanitize-gid

sanitize gID
Merge pull request #1739 from ahukkanen/permissions_fix

Fixed permissions issues in the CSS cache file generation
Merge pull request #1771 from ForestMist/master

Backup speed optimization
Merge pull request #1763 from Remo/patch-3

check if user key already exists
Merge pull request #1765 from mlocati/call-5631-upgrade-script

Call upgrade script for 5.6.3.1
Merge pull request #1704 from cryophallion/form-add-Image-type

Add image input function
Change save function

fprintf() is not correct now.
Merge pull request #1778 from tao-s/fix-Incorrect-sitemap.xml-save-process

Fix: Incorrect sitemap.xml save process.