Initial work on the simple driver
Basic tests for the simple driver
Comment out some tests
Input from and output to files
Document Porcelain.exec function
More tests
More doc work
Perform some code cleanup
Close opened files
Add :async_in option
More code cleaning up
Test error handling
Fix logical errors in option compilation
Implement Porcelain.spawn and input/output streams
Fix type doc
Fix list formatting in docs
Moving code around
“Unparse” :string and :iodata options for Process
More options for communication with async processes
Fix references in docs