bump version to 0.22
bump version to 0.22

andrhamm/Singularity,hs-jenkins-bot/Singularity,andrhamm/Singularity,grepsr/Singularity,HubSpot/Singularity,grepsr/Singularity,hs-jenkins-bot/Singularity,grepsr/Singularity,hs-jenkins-bot/Singularity,hs-jenkins-bot/Singularity,HubSpot/Singularity,grepsr/Singularity,grepsr/Singularity,HubSpot/Singularity,grepsr/Singularity,andrhamm/Singularity,hs-jenkins-bot/Singularity,HubSpot/Singularity,andrhamm/Singularity,andrhamm/Singularity,HubSpot/Singularity