Adds the capability to pass an array as single value

See merge request extensions/action-provider!19

Create activity type takes now an activity type as parameter

See merge request !17

Add the action GetMostRecentActivity

See merge request !16

New Action: Set/Update preferred communication method

See merge request !15

+* Added action Update Participant by Id.

A parameter mapping could be mapped to multiple fields. This is useful for Activity Target Contact(s).