Added hex binary literals
Allowing whitespace in between octets
oops, whitespace was not being discarded. fixed
Added test for binary hex literal
Changed hex integer literal parsing rule
Added binary hex literal examples to docs
Merge pull request #107 from jjwchoy/hex-binary-literal

Added hex binary literals
Fix template method that doesn't actually compile when used.
Merge branch 'master' of github.com:kentonv/capnproto
Merge remote-tracking branch 'upstream/master' into bryan-vs14