prettyprint: fix length limit to be 'maximum length before truncation'.
math.ranges: Stopgap fix for math.ranges unit tests. See issues #803, #800, #508.
tools, ui.tools: Rename complete-P"? to complete-pathname?
tools.completion: matching names.
sorting: speed up sort-keys and sort-values by doing less bounds checking.
benchmark.sort: slow down sorting to test sorting alists.
math.floats: Fix the output of /mod and add some unit tests. Fixes #803.
hash-sets: faster grow-hash by not calling members.
hashtables: faster grow-hash by not calling >alist.
readline-listener: fix for tools.completion renames.
tools.completion: fix test cases.
sequences: Keep all arguments for immutable error.
game.models.util: fix for immutable error.
math: some style cleanup.
io.binary: faster >be.
base64: faster encode and decode.
lcs: performance improvements.
boxes: don't check occupied twice.
benchmark.lcs: adding lcs benchmark.
disjoint-sets: ahem.