[Initial addition
jupdike@gmail.com**20071214162549] 
[Finished translating
jupdike@gmail.com**20071214224705] 
[Missed a file and got Table/Integrate confused; resolved.
jupdike@gmail.com**20071218021949] 
[parser stuff
jupdike@gmail.com**20071224174935] 
[renamed parser to parse
jupdike@gmail.com**20071224180837] 
[Parse.lhs finished
jupdike@gmail.com**20080104173646] 
[added Pretty and CPS, got Limes and Print working
jupdike@gmail.com**20080130174720] 
[Lots more changes and things compile except Main
jupdike@gmail.com**20080204170214] 
[Trie works now
jupdike@gmail.com**20080205170735] 
[CLI compiles now
jupdike@gmail.com**20080205172015] 
[Main compiles. Scared to test it...
jupdike@gmail.com**20080205182245] 
[Clean cleans Main bin, added integrate integral table (empty) file
jupdike@gmail.com**20080205182521] 
[everything works the way Ralf intended
jupdike@gmail.com**20080207061113] 
[main repl much better
jupdike@gmail.com**20080208180014] 
[Cleaned up module and import statements in a lot of places where I was lazy and took shortcuts.
jupdike@gmail.com**20080211173119] 
[CLI and Trie not needed
jupdike@gmail.com**20080211173343] 
[finished cleanup of module / import
jupdike@gmail.com**20080211174747] 
[small cleanup clearing out commented out code
jupdike@gmail.com**20080211175121] 
[sin of arcsin, etc. now reduce properly to identity
jupdike@gmail.com**20080213162741] 
[made Summ [Prod[Id,Prim Exp], Prod[Rational -1%1,Prim Exp]]  ==> x * exp(x) - exp(x)  not  -1 * exp(x) + x * exp(x)
jupdike@gmail.com**20080224232752]