Fix accidentally returning NULL on valid FILE* in RawLoadItemList

Add a few more suppressions to valgrind-suppressions
Add flag --no-crashing to testall
Fix leak in function classmatch
Fix leak in FnCallFileStatDetails
Add flag --valgrind to testall, update suppressions
Fix leak in CopyLocalizedReferencesToBundleScope
Fix leak in function mergedata
Fix leak in FnCallGetUsers
Fix leaks in function classesmatching
Fix leaks in function getmetatags
Fix illegal memory access in function dirname
Fix leak in function getvalues
Fix leak in function join
Fix leaks in BuildData (functions)
Fix yield dummy lock in VerifyReportPromise