LASTEXPRESS: Fix uninitialized scalar field (CID1002847)
LASTEXPRESS: Fix unchecked return value in LastExpressEngine::pollEvents() (CID1004167)
LASTEXPRESS: Remove unneeded check for loaded sequence (CID1003911)

The sequence loading helper should already check if the sequence is loaded and clean up the instance if not
LASTEXPRESS: Fix unchecked return value (CID1003850)
LASTEXPRESS: Fix unchecked return value (CID1003854)
LASTEXPRESS: Fix uninitialized scalar field (CID1002849)
CREATE_PROJECT: Add extra configuration for compilation with LLVM