constant-fold infix:<~>
potentially constant-fold more stringy operators
potentially constant-fold &defined
Add default method for Set, KeySet, Bag, and KeyBag.
[t/spectest.data] chase rename/addition of test files

For lizmat, as per http://irclog.perlgeek.de/perl6/2013-05-15#i_7070799
Fix for autoviv Typed hash problem

As suggested by jnthn.  I think there is a ticket for this, but do not know
its number.
Merge pull request #141 from lizmat/fixautovivtypedhash

Fix for autoviv Typed hash problem
pull in nqp's delim-fix, fixes RT #117415
add more brackets (starters+stoppers)
Make :exists and :delete up to spec

The :exists and :delete adverbial pairs on hash accesses were always
interpreted as "true".  Which makes constructs as :!exists or :delete($really)
not work.
fix thinko in dir(), bug found by dagurval++
Merge pull request #153 from labster/nom

fix thinko in dir(), bug found by dagurval++
add S02-names/bare-sigil.t to spectest
.hash now accepts optional :type and :of named parameters

So that we potentially can roundtrip .perl output, provided it can be
generated properly
Merge pull request #155 from lizmat/hashwithtypeandof

.hash now accepts optional :type and :of named parameters
update spectest.data to reflect slurp.t file move
diasllow spurt in restricted setting, dagurval++
fix typo in Pod::Block::Declarator.gist signature, timotimo++
add link, symlink, and chmod to RESTRICTED.setting
Volunteer for #66