[+FEAT] When running in dryrun mode autocreate attributes won't throw an error. See avstudnitz/AvS_FastSimpleImport#53
[~BUGFIX] Added the dropdown and multiselect attributes to the dryrun option.
Improve dryrun and options validation for dropdown and multiselect attributes. Do not create missing options during the dry run to keep the philosophy of the dry run (no database changes)
Merge pull request #60 from diglin/dryrun-error

Improve dryrun and options validation for dropdown and multiselect attri...
Merge pull request #59 from avstudnitz/dryrun-error

[+FEAT] When running in dryrun mode autocreate attributes won't throw an .error.
add some improvements to prevent warning messages and problem to import categories and products