replaced convert-hex dep with binstring
changed constructor
added publicKey property
publicKey (when compression) works
update documentation
added pubKeyHash() and publicHash() // <--- same thing
added publicPoint and removed getPubPoint()
got rid of `getPub`
removed getPubKeyHash()
commented out `setPub()` not sure if it'll be used
removed sign(), verify(). added privateExportKey
remove getExportedPrivateKey()
added docs for `toString()`
remove decodeString and getBitcoinAddress
converted this.compressed to a JavaScript property
removed setCompressed()
rearrange
removed unnecessary code in the constructor
updated dev dependencies
removed deps: `ecdsa`, `convert-hex`, `btc-address`, `bs58`