2.1
  - Fix build on CentOS 6 (and other systems without C++11 support)
  - Fix for -Wdeprecated warning about ByteSize() on protobuf 3.11

2.0
  - Add support for MVT: read_mvt_sf() and read_mvt_data()

1.9
  - Windows: update to protobuf v3.8.0
  - Suppress warnings about pragmas in autogenerated protobuf headers

1.8
  - Update to protobuf v3.5.1 on Windows

1.7
  - Move autobrew script to external repo
  - Use Rcpp symbol registration and visibility

1.6
  - Update protobuf to 3.2.0 on Windows and OSX

1.5
  - Fix for Solaris
  - Switch to C++11 on Windows

1.4
  - Add support for reading/writing geobuf (binary geojson)

1.3
  - Use new Homebrew URL in configure script
  - Switch to CXX_STD=CXX11 to suppress some warnings

1.2
  - Fix configure script to test if protoc version matches libprotobuf

1.1
  - Cross reference to RProtoBuf pkg in description and readme
  - Add option 'skip_native' in serialize_pb()
  - Fix bug where 'native' objects were stored in 'raw' field

1.0
  - Initial CRAN release
