Improvements for version 1.3

* Read the module name and runtime CFI offsets from the SCE elf module_info
  metadata struture.

Improvements for version 1.2

* Display the local variables in the backtrace output
* Add a command to print a hex dump of memory at the given address
* Track the clobbered registers
* Display the faulting address for data abort exceptions
* Try unwinding from LR on instruction prefetch exceptions

Fixes #2.

Fix vc_core_get_module incorrect bounds check

Also improve the error message when the stack memory area is not
available in the core dump.

Initial commit