No more cycles in table generation! (Merge branch 'LL' of https://github.com/pesco/hammer)
Refactored all of the desugaring code to no longer depend on memory being initialized to 0. Everything is about 12% faster now.
Merge branch 'master' of https://github.com/thequux/hammer

Conflicts:
	src/backends/llk.c
remove useless desugar_unimplemented; revert incorrect changes to test_llk()
Merge remote-tracking branch 'mlp/master' into LL
properly initialize NULL fields in h_cfgrammar_new and h_stringmap_new