Can't find module: ./lib/BitMEXAPIKeyAuthorization

[nateflanders]

Maybe I'm just not understanding NPM, but I get all of the api key and secret set, change testnet to fasle, but when I run 'bitmex buy 100' I get the following error:

`internal/modules/cjs/loader.js:716
throw err;
^

Error: Cannot find module './lib/BitMEXAPIKeyAuthorization'
Require stack:

• /usr/lib/node_modules/bitmex-adaptive-limit/index.js
  at Function.Module._resolveFilename (internal/modules/cjs/loader.js:713:15)
  at Function.Module._load (internal/modules/cjs/loader.js:618:27)
  at Module.require (internal/modules/cjs/loader.js:771:19)
  at require (internal/modules/cjs/helpers.js:68:18)
  at Object. (/usr/lib/node_modules/bitmex-adaptive-limit/index.js:7:35)
  at Module._compile (internal/modules/cjs/loader.js:868:30)
  at Object.Module._extensions..js (internal/modules/cjs/loader.js:879:10)
  at Module.load (internal/modules/cjs/loader.js:731:32)
  at Function.Module._load (internal/modules/cjs/loader.js:644:12)
  at Function.Module.runMain (internal/modules/cjs/loader.js:931:10) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [ '/usr/lib/node_modules/bitmex-adaptive-limit/index.js' ]
  }
  `