Add code versions of midi chart and note timings

Contains python and ruby versions of midi note chart and timings
Midi chart of form key:value = note name:midi value
For Example,  "Db3": 61 in Python
Note timings is of form key:value  = abbrev : array
Where the array is of form [noteTiming, noteName]
For Example, "qua": (0.125, "quaver") in Python