HOTFIX

Corrected spelling of 'CEILING'.

Improved error handling

Failed web requests will be handled with try/catch and raise an error.

Bug Fix

Fixed incorrect link to file

NPM Release

Published to npm and updated docs

Major upgrade to Bittrex v3 API Specification

Codebase has been re-written to interface with the v3 Bittrex REST API. Package dependencies have been updated. Package has been published to NPM registry.