tif detection added, tests failing due to mapnik plugin error
tif maxzoom detected
nodata added, maxzoom fixed
added tests
gdal package updated to newest
fixing gdal error in travis
travis fix and update band functions
node-gdal function updates and unitType detection
integrated with final node-gdal API
merge with master, update deps
VRT added
fix test
handle missing vrt sources
first attempt at maxzoom refactor
maxzoom with questions
maxzoom fixed
Travis test fix
gdal verbose to check error in Travis
proj4 fix
VRT tests