sorting: inline check-bounds.
sorting: faster sort-keys and sort-values for hashtables.
sorting.extras: faster map-sort.
sequences.extras: using sift.
rosetta-code.balanced-brackets: cleanup and test.
rosetta-code.balanced-brackets: adding some tests.
compiler.cfg.*: the ##alien-assembly instruction does not use a gc-map
cpu.x86.tests: more tests
compiler.cfg.instructions: ##alien-assembly should be in the alien-call-insn union but not gc-map-insn
tools.gc-decode.tests: tests for the troubles found in #1227
dice: adding some tests, simplify a bit.