Merge pull request funkypigeonltd#1 from LionheartApplications/fix-wa…

…rning

fix warning for Xcode 12.2

Release 2.1.1

Release 2.1.0

Merge pull request marmelroy#155 from sersoft-gmbh/spm_support

Add Swift Package Manager support

Release 1.1.0

Release 1.0.0

Release 0.8.0

Release 0.7.0

Delete git submodule