Prepare for 5.3.1 release

Prepare release 5.3.0

Repo cleanup

Fix some dependencies which should have been dev dependencies only

Also export README.md as Github flavoured markdown

Prepare for v5.2.0 release

Prepare for release of v5.1.3

Update for release of 5.1.2

Update README

Update LICENSE copyright info

Remove path comparisons on checkLocalPath() tests

Avoid complications on win32 platform.