Run modes
 Getting to the heart of the problem
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   Run modes have been added for:

     To Next Function
        - halts execution of the first line of the next function
          called.

     To End of Function
        - halts execution at the end of the current function.

     Out of Codeblock
        - if you are in a codeblock, runs to the line after the
          codeblock.

     To Codeblock
        - runs the program to the next codeblock and halts.