- scoped traversals can now raise errors which contain the path of the
current scope and an approximate source location based on preceding
trace comments, if available
- initially, this new error messaging has only been added for the
illegal size cast checks in the TypeOf and Cast conversions
- error suite tests can provide a verbose mode expected source location
- error suite runs in both regular and verbose mode
- add helper for extracting "flags" from test files
- common assertMatch, assertNotMatch helpers
- remove unused assertExists helper
- fix un-escaped wildcard in assert_deferred_nonzero.sv