in project.clj: added tools.trace
added tracing for debugging
got rid of  all traces
slightly modified naming of local end-loop var so that it wasn't the function and changed conditon from (-1 end-index) to dec
refactoring:deleted exec instructions
emptied begin-loop
refactoring--getting rid of as much state as possible.  just condensed exec-instructions
refractoring:changed exec instruction to execute instructions in the sequence built up in parse input
refractoring: made cells and pointer regular immutable vars and set cells to an infinite list
refactoring: deleted codemap map. too much state
got rid of declares use of tramp. there is no tramp function
refactoring: deleted all functions that directly deal with state