[Initial record Rohan Drape **20080314091731] [Provide plt module Rohan Drape **20080315011101] [Add util/mk Rohan Drape **20080321111605] [Fix operator and quantize sources Rohan Drape **20080321111631] [Implement operator-name function Rohan Drape **20080324003900] [delete exact, operator and quantize Rohan Drape **20080325021412] [Edits to src/random Rohan Drape **20080326000018] [fix make system and edit src until module compiles Rohan Drape **20081217235756] [add trivial help files Rohan Drape **20081217235833] [delete plt directory Rohan Drape **20081217235847]