Fix text reference regexp to allow for tiddler titles with embedded spaces
Extend macrocall widget to take parameters both from the parse tree node and the attributes

This allows us to invoke macros using the ordinary widget syntax, which
in turn allows us to use features like indirection on the parameters.
Add support for macro modules

Now JavaScript macros can be defined in "macro" modules
Start building the static files

There's a few parts that don't work yet