Fixed #5968 (False positive: 'Possible null pointer dereference' when checking null in negated conjuction)
Attempt to fix 2 Coverity messages.
Replace a few unsigned int by std::size_t
astyle formatting

[ci skip]
CheckBufferOverrun: Fixed crash. The crash occured in ThreadHandler in the deserialize() function. Probably because " was used in error message.
Fixed unit test
Omit unnecessary checks
CheckBufferOverrun::checkStringArgument: sizeof string is strlen+1
Fixed #5972 (FP: Buffer is accessed out of bounds)
Fix compiler warnings about type mismatch
Merge pull request #358 from Dmitry-Me/reuseDataFromPreviousCodeAndOmitChecks2

Omit unnecessary checks
Use references instead of deep copying the strings
Fixed #5901 (False positive: (error) Using 'memcpy' with vector of uint8_t items)
daca: keep files that we can check (see path.cpp).
Merge pull request #360 from matthiaskrgr/daca_

daca: keep files that we can check (see path.cpp).
Merge pull request #359 from Dmitry-Me/useReferencesToAvoidDeepCopy

Use references instead of deep copying the strings
Bring variables decalaration to where they are really needed.
Merge pull request #361 from Dmitry-Me/reduceVariablesLifetime

Bring variables declaration to where they are really needed.
Clearer variable names, fix typo in comment.
Merge pull request #362 from Dmitry-Me/betterVariableNamesFixTypoInComment

Clearer variable names, fix typo in comment.
ValueFlow: Small cleanups