fix(pencil): Invalid client token handling

fix(pencil): Better error logging

Merge pull request #22 from securenative/dev

Add phone field to user traits

fix(pencil): event with missing context

fix(pencil): fix typo in version

fix(pencil): fallback default v3ersion

fix(pencil): Auto event persist

fix(pencil): Missing fetch dependency

Updated config options

feat(pencil): Release new sdk version