V0.3.0 erldoc (#7)

* Adjusting version

* Initiating some edoc stuff

* Doc check

* Fixing docs

* Do a hard type check when entering nodes

* Two fixes:

- Module call change from enacl to ecu_eddsa
- Fix the v3 call endpoint for top block

* Fix top_block typespec and make top_height great again

* Fix typo

bindings/erlang/src/vanillae_fetcher.erl

@@ -1,5 +1,7 @@
+%%% @private
+
 -module(vanillae_fetcher).
--vsn("0.2.0").
+-vsn("0.3.1").
 -author("Craig Everett <ceverett@tsuriai.jp>").
 -copyright("Craig Everett <ceverett@tsuriai.jp>").
 -license("MIT").