* Pull in trie repo * Bring in types repo
* Expand util-crypto test coverage * Add @polkadot/util-triehash * Update link to util-triehash
* Initial split of util & util-crypto * Add initial XXHash version * Blake2s wit tests & documentation * Add sha512 (from NaCl) * Add randomBytes (from NaCl) * Flow fixes * Update documentation * Update latest @polkadot/dev