handles revoked access for google drive while access token hasn't expired
some dropbox error handling
Merge pull request #83 from andreywix/Feature-RevokedAccessHandling

Feature: Revoked access handling
handles revoked access for dropbox, fixes loggin in'
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Merge pull request #84 from andreywix/Feature-RevokedAccessHandling

Feature: Revoked Access Handling
merges new stuff with master