Changes made for Pathfinder 5226 controllers.

The 5226 controllers were initially implemented to do open loop moves to become clamped in a position based way. As in the move would be still be doing an open loop controlled move to get to the clamped target. The goal being the clamp ends up in tolerance of the clamped target and the machine is now clamped. When we started implementing for more machines the need for a pressure based clamped move was needed. As in the machine is not considered clamped until the pressure target has been reached. The controller still did open loop moves to the clamped closed position to try and reach this pressure target. A bug arose from this though because even though the goal is pressure reached, the controller was considering the move done if the closed position was reached. This means if the user set a closed position that did not reach the pressure target the machine could not get into a clamped state.

The solution to this problem was to make the controller make the clamp keep moving until pressure was reached. The controller knows the move is pressure based so it can identify when this needs to happen and not do it on other moves. This change allows the machine to get to a clamped state regardless of how low the closed position is.