Moved one more simple example from examples into regressions.
Moved simple lock example from examples folder into regressions.
Added -g debug info flag to Makefile in the simple examples folder.
Created a simple struct cast regression test.
Moved a simple nested struct example from examples into regressions.
Moved one more simple struct cast example from examples to regressions.
Removed a weird and pretty useless example that was there from way back when.