Add zerox Pd help instead of Max for testing
Delete erroneous zerox Max help
Fix missing dot notation

A number of objects didn't have the capability to be added using dot notation "ml.*". This is fixed in this commit.
Fix paths to Pd binary for testing purposes

This controls what is run when the target is "Run" in Xcode. It now expects Pd-extended.app to be in /Applications and runs the correct binary, passing in the relevant Pd help file if there is one.
Add error checking to feature extraction map()