Bugfix/not able to pass in meta data#80

pan1501 wants to merge 2 commits intomapbox:mastermapbox/shp-write:masterfrom

pan1501:Bugfix/not-able-to-pass-in-meta-datapan1501/shp-write:Bugfix/not-able-to-pass-in-meta-dataCopy head branch name to clipboard