* Added slice bounds testing for slice expressions.
* Added checking slice index.
* Added test for reassigning slice.
* Store capacities on reslicing.
* Scope change clears map. Func name used to track slices.
* Map CallExpr to check bounds when passing to functions.
* Fixed linter errors.
* Updated rulelist with CWE mapping.
* Added comment for NewSliceBoundCheck.
* Addressed nil cap runtime error.
* Replaced usage of nil in call arg map with dummy callexprs.
* Updated comments, wrapped error return, addressed other review concerns.
* Remove read only types from unsafe defer rules
* Remove rule G307 which checks when an error is not handled when a file or socket connection is closed
This doesn't seem to bring much value from security perspective, and it caused a lot of controversy since
is a very common pattern in Go.
* Mentioned in documentation that rule G307 is retired
* Clean up the test for rule G307
