Fixed FP: Null pointer dereference
Ticket #4450: Handle comma separated static variable declarations with initializers in brackets.
CheckIo: Revised patch that fixes bug in class function return type. Ticket: #4964
Merge pull request #167 from simartin/ticket_4450

Fix Ticket #4450
Fixed #4977 (improve platform type tokenize performance)
Fixed #4975 (False positive: (warning) %s in format string (no. 3) requires a char* given in the argument list. (git/column.c))
Fixed #4913 (Tokenizer::simplifyKnownVariables: wrong handling of *--p=0;)
Fixed #4974 (CheckBufferOverrun::writeOutsideBufferSize() too strict)
CheckIO: Fix false positives for functions returning unknown types and false negatives for functions returning record types
Fixed #4689 (False positive: Unused private function (used in default argument of constructor))
Fixed #4984 (False positive: (warning) %f in format string (no. 1) requires a floating point number given in the argument list.)