* Use source list from the compiler to track invalidated files.
* Revert accidental change
* Fix first-time-seen-the-file logic
* Fix/simplify invalidate logic now that we can rely on compiler to let us know what is the cut-off point for invalidation.
* Update devfs mock to accommodate for new fields
* Fix deleted files case
* Analyzer found missing final
* some space formattings
* always use blocks in if-else if a block is used
* format spaces in for and while
* allow multiline if conditions
* fix missing space
