Removed pathtools and watchdog from Sourcepawn namespace

Reverted f27110a56a8059e3084a1e3113cd6ca45cf74cdf
Added Sourcepawn package folder to PYTHONPATH
Merge branch 'revert_watchdog_changes' into develop
updated watchdog to v0.8

updated from gorakhargosh/watchdog@82f5cd814cae00153066125f69ef0ab5bbf04c8f
Added refernce to watchdog repository
Merge branch 'update_watchdog' into develop
removed package metadata

because this is not wbond's sublime package
reordered imports
Merge branch 'develop': updated watchdog