Allow X<thing|letter-t,letters;objects> to be multi-dimensional

Also sneak in a fix for a bug with D<>
bump nqp revision
oops, need to bump the nqp that bumps moar
fix nqp revision, hopefull
If at first you don't succeed...

...suck until you do succeed.
bump nqp to get mkdir_p fix
implement rudimentary uniname, uniprop, and unival
fudge uniname/-prop/val which is implemented on moar only
update to use new opcodes and bump NQP rev
Do E<> properly.

The @contents should contain the actual sequences, with the actual codes
used in the E<> being stored correspondingly in @meta in case the Pod
formatter needs it
Don't panic on bad Pod formatting
refactor uniprops with better caching
bump NQP rev
HTML entities list made JVM fail make install. removing
Put parsed number from E<> into @.meta
bump nqp revision for error message improvement
bump nqp to propagate negative char check to nom
bump nqp
bump, bump, bumpity, bump
fix Zop=