2014.09.10 MSS Code Factory CFLib 1.11.12377 Attempt #2 at allowing null edits

With this version of CFLib, the numeric editors are now working properly,
as are the basic String/Token/NmToken/NmTokens fields.

But I'm getting bizarre behaviours from the [TZ]Date/Time/Timestamp
editors.  The [TZ]Date editors reject valid data outright, and the
[TZ]Time/Timestamp editors seem to clobber their values when they
become enabled, despite having initially saved valid information
correctly.  This *might* be a problem with higher level code, but
I'm pretty sure it's the library misbehaving.

Regardless.  It's 22h30.  I've just put on another coffee (fresh can!),
but I'm ambivalent about coding any further tonight.  It's been a long
evening of debugging and fixing.