• Improvement: Show Prev / Next Rebar in Rebar Set command available in the contextual part of the Modify ribbon

• Improvement: Unobscured / Obscured extended to Rebar Couplers.
• Improvement: Commands now have tooltip images and F1 help.
• Fixed bug: Show Prev / Next Rebar in Rebar Set command displaying wrong title in the undo list
• Fixed bug: Show Prev Rebar in Rebar Set command resulting inverse hidden status when the rebar set shows all rebars
• Fixed bug: Annotate command crashing saying the dimension line direction and dimension plane normal are not orthogonal