call it mergesort
justify our use of memcpy
Merge branch 'master' of github.com:mrdomino/c

Conflicts:
	Makefile
emalloc, ecalloc, inline
emalloc headers and make rules
Fix leaks, de-obfuscate queue
Formatting, print topological sort
prep for weighted graph algs
formatting
bellman-ford
priority queue based on skip-list sketch