added a 'todo' file to the git ignore, for convenience
travis ci should be able to use <sodium.h> now
Merge pull request #56 from DavidVorick/crypto

Fix travis ci for libsodium
Initialize submodules before updating.
Merging in the new Makefile

Megring in the new Makefile so that make test works now.
Merge pull request #58 from Jonbeek/submodules

Initialize submodules before updating.
Another Merge to fix stuff