An asciidoc version of the GeoPackage specification for easier collaboration
OGC 12-128r19
See https://github.com/opengeospatial/geopackage/blob/master/spec/core/release_notes/1.4.0/rn.adoc.
OGC 12-128r18
This is a pre-release/checkpoint before the changes to resolve #132, #137, and #147.