Deadlock hotfix

Enable support for swp instruction. (#3)

Refactor exception handling

Refactored exception handling system.

Added support for undefined instruction exceptions.

Deprecated abort handler entrypoints and behaviour.

Refactor exception handling

Refactored exception handling system.

Added support for undefined instruction exceptions.

Deprecated abort handler entrypoints and behaviour.

Add MemDecommit function

MemDecommit is the counterpart to MemCommit. It will free phypages in a range, or simply unmap pages that were commited as a mirror of another memBlock.

Also made adjustments to page mapping and un-mapping done by MemProtect

Initial commit