allow lowerCase meridian value (fixes #309)
allow lowerCase meridian value (fixes #309)

pablogrela/webshim,tomascassidy/webshim,tomascassidy/webshim,ilovezy/webshim,ilovezy/webshim,fashionsun/webshim,webdev1001/webshim,cl4rke/webshim,cl4rke/webshim,cl4rke/webshim,fashionsun/webshim,ilovezy/webshim,tomascassidy/webshim,webdev1001/webshim,webdev1001/webshim,pablogrela/webshim,aFarkas/webshim,aFarkas/webshim,pablogrela/webshim,aFarkas/webshim,fashionsun/webshim