Merge branch 'release/v0.6.5' into develop

* release/v0.6.5:
  Bumped version to 0.6.5
Remove console log calls, add option for parallel uploads
Adding accepted attribute for dropzone, canceled and error events
Fixes #3 where uploads cannot be canceled.
Bumped version to 0.7.0
Merge branch 'release/v0.7.0'

* release/v0.7.0:
  Bumped version to 0.7.0
  Fixes #3 where uploads cannot be canceled.
  Adding accepted attribute for dropzone, canceled and error events
  Remove console log calls, add option for parallel uploads