allow using `--force` to ignore compile errors - fixes #184
allow using `--force` to ignore compile errors - fixes #184

gruntjs/grunt-contrib-sass,freeyiyi1993/grunt-contrib-sass,linemanjs/grunt-contrib-sass,kentendo/grunt-contrib-sass,cvrebert/grunt-contrib-sass,craigweston/grunt-contrib-sass,cvrebert/grunt-contrib-sass,liquidmetal/grunt-contrib-sass,konder/grunt-contrib-sass