Bump 19.05.0-SNAPSHOT version number
Bump 19.05.0-SNAPSHOT version number

robsyme/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,robsyme/nextflow,nextflow-io/nextflow,nextflow-io/nextflow,robsyme/nextflow,robsyme/nextflow,nextflow-io/nextflow