Hoon Markdown tile
add re2 object directory to gitignore
added ++fil and ++swap
minor nitpick
sigh
fixed v:ne
fixed ++urle
rebuilt urbit.pill
changing v:ne broke things, moved funct. to ++urle
add xeb for no particular reason
There are no hrs on Mars
Markdown with fewer flws
Add head-level
Move markdown to try till it's ready
Use a bit-mapped patricia trie in nash

this is much faster than the world's worst hashtable, or will be when it
actually works...
Use 32-bit bit functions in patricia trie
put optimization back to normal
actually optimize patricia trie
use u2_none instead of u2_nul in nash
Style cleanups.