Utils.php: removed sanitize() & randomAlphaNumUnique() - this version is nowhere used.
Support.php, BodytextParser.php: outsourced from bodyTextParser encryptDoubleCurlyBraces().
:

Link: replaced TYPO3_CONF_VARS by STORE_SYSTEM
Sip, Store: PhpDoc
AbstractBuildForm, BuildFormBootstrap, Constants: implemented constant SYSTEM_SHOW_DEBUG_INFO
Database: rewrote errormessage