2.2.1 : Internal cleanups for new GAP versions
2.2.0 : Speed up outputting JSON, add new tests
2.1.1 : Improve CI, use new GAP functionality
2.1.0 : Fix the ordering used when outputting records
        Update build system
2.0.2 : New build system, remove VERSION file
2.0.1 : Fix GC bug in JsonStringToGap, which would
        lead to spurious break loops.
2.0.0 : Improve unicode handling.
The Json package now ensures it only outputs valid UTF8. GAP strings which
contain valid UTF8 are outputted unmodified, invalid UTF8 is treated as Latin-1,
and transformed into valid UTF8.

1.2.0 : Fix compiling in recent versions of XCode on Mac OS X
1.1.0 : Fix bug in handling badly formatted integers
1.0.1 : Fix bug in nested structures
1.0.0 : First release
