fix: added missing lodash dependency to accounts lib

fix: don't prepend '+' when using a friendly name with Twilio

fix: consider that the phone number may contain whitespaces

fix: removed duplicated import on accounts.js

fix: replaced isNan with lodash's _.isNumber

fix: _isNumber logic was inverted

lib/plugins/sms/twilio/twilio.js

@@ -14,7 +14,8 @@ function sendMessage (account, rec) {
       const client = twilio(account.accountSid, account.authToken)
       const body = rec.sms.body
       const _toNumber = rec.sms.toNumber || account.toNumber
-      const from = _.startsWith('+')(account.fromNumber)
+      const from = (_.startsWith('+')(account.fromNumber) 
+        || !_.isNumber(String(account.fromNumber).replace(/\s/g,'')))
         ? account.fromNumber : `+${account.fromNumber}`
 
       const opts = {