Add pause / resume to watcher

Signed-off-by: Tim Smart <tim.smart@designworks.co.nz>
Bump version to 0.2.3

Signed-off-by: Tim Smart <tim.smart@designworks.co.nz>
Merge branch 'release/0.2.3'
Merge tag '0.2.3' into develop

Version 0.2.3