The rest of these are new or replaced.  The buttons are now all the same
width.  They have the transparency set right.  They still need the attention
of a designer.  But they work, and we have a real button for the Modules
Index.

special "html" package, which we don't and won't.

additional processes for each name change!

displays funny characters, like spaces or control characters, more
clearly (one of my pet peeves in error messages).  Also only suppress
the filename if it is None; display it if it is '', since that would
be a genuine (illegal) filename passed in!

Small markup nits.

frozen packages.  (I *think* this means that we can now have a
built-in module bar that's a submodule of a frozen package foo, by
registering the built-in module with a name "foo.bar" in the table of
builtin modules.)

- Faster conversion to string for binary bases: linear instead of quadratic!

- Allocate smaller result for certain masking ops, e.g. (1L<<30000) & 1.

standard Python documentation, since the mkhowto.sh script is.  Let there be
no doubts....

converted.

Include an additional button to the module index in the nav. bars if we
generate a module index.  Still need a button image, but the ALT text should
do for now.

organize it better...