handled commands/instrument.js and jalangi.js by exposing esnstrument.instrumentCodeDeprecated(code, options).

following are still failing

  instrument tests
    1) should handle relative paths

  astSerialization
    #deserialize()
      2) should handle basic
      3) should handle basic 2
      4) should handle eval

  topLevelExprs
    5) should handle basic
    6) should handle expression statement
    7) should handle return
    8) should handle deref of function result
    9) should handle conditional expression
    10) should handle if condition
    11) should handle nested assigns and conditionl expression
    12) should handle multi-statement function
    13) should handle function declared in object literal
    14) should handle function called with object literal