Copy odkmeta.ado to new directory stable.
Remove star-bang.
Move Stata programs to odkmeta.do.
Remove note about char references.
Move type definitions to separate do-file.
Bump required version of Stata from 11.0 to 11.2.
Move string functions to separate .mata file.
Move file I/O functions to separate .mata file.
Add do-file to compile the modules into odkmeta.ado.
Move Stata interface functions.
Move `DoFileWriter' class.
Move field attribute classes.
Move `List' struct.
Move error message functions.
Move functions for do-file start/end.
Add `boolean' to type_definitions.do.
Move auxiliary file I/O functions to io_aux.mata.
Move `List' to its own file.

Now type_definitions.do contains only locals, so it can be run multiple
times without requiring a clear or drop.
Add functions for parsing class declarations.
Move field and collection classes.