all structures now support arbitrary type keys with a fast path for integers
drwxr-xr-x - include
-rw-r--r-- 1905 license.txt
-rw-r--r-- 3222 makefile
drwxr-xr-x - map
drwxr-xr-x - runtime
drwxr-xr-x - test
-rw-r--r-- 788 todo
drwxr-xr-x - txn