Version 1.5.55

/customerinvoice/{customerinvoice_id}/taxreductions/: Allow null for fields WorkType and WorkTypeId
Added endpoint POST /bookedhours/attesthours to attest booked hours.
/bookedhours/: Add fields: attested, approved to PUT endpoint.
/bookedhours/: Add fields: attestedtime, approvedtime, approvedfullname to GET endpoints.
/projectoverview/: A new column Current CM into Project Overview
/type/customfield/: Add field code