v0.0.19

• Ported bertin1953 from PROJ.

v0.0.18

• Improvement to eqearth inverse formula.

v0.0.17

• Add Equal Earth projection as "eqearth".

v0.0.16

• Accept library names in either case (e.g. EPSG and epsg).

v0.0.15

• Accept .prj files with "VERTCS" definitions (VERTCS is ignored).

v0.0.14

• Ignore +nadgrids=@null parameters (instead of throwing an error).

v0.0.13

• Added function to search for a cached proj definition file (for mapshaper integration).

v0.0.12

• Added internal function for caching the contents of a proj definition file, to bypass loading from a file.

v0.0.11

• [wkt] Added Gauss_Kruger as an alias of Transverse_Mercator for parsing WKT.
• Changed name of "krass" ellipsoid from "Krassovsky, 1942" to "Krasovsky 1940".

v0.0.10

• Ported more projections and fixes from Proj.4.