Merge pull request #90 from DanielCreagh/dcreagh/enabling-merge-with-no-audio-track

prevent failure if there's no audio track

Updated README file

Changed pub spec version

Fixed buildtime issues

Merge pull request #71 from dsmailes/patch-1

Prevent portrait video being rotated to landscape.

Merge pull request #67 from gregsadetsky/patch-1

fix dead link

Changed version to 1.4.0

Merge pull request #64 from SteliyanH/swift-result-migration

Added unlocking of loading view after the split video method finishes

Added a description how to add the library as package dependency

Fixed Package dependencies

Fixed the path component