Allow any selector library to be loaded

Signed-off-by: Tim Smart <tim.smart@designworks.co.nz>
Bump version to 0.3.0

Signed-off-by: Tim Smart <tim.smart@designworks.co.nz>
Merge branch 'release/0.3.0'
Merge tag '0.3.0' into develop

Version 0.3.0