Reduce memory consumption of accumulated attributes

2.67.0

• Reduce memory consumption of duplicate attribute names in serial_feature
• The maxzoom guess calculation now takes into account the number of duplicate feature locations

test-e4b16fc6

Adjust calculated maxzoom to account for duplicate feature locations

test-7670174

More plumbing for key_pool

Speed up binning in tippecanoe-overzoom

2.66.0

• Only bin by ID, not by geometry, if --bin-by-id-list is specified
• Do attribute accumulation in overzoom in mvt_value instead of converting to serial_val
• Fix bool values read from flatgeobuf sources (#289)

test-0123e9bd

Replace duplicated code with template

test-08addd39

Only bin by ID, not geometrically

Improve spatial distribution of --retain-points-multiplier features

2.65.0

• Improve spatial distribution of --retain-points-multiplier features
• Add --preserve-multiplier-density-threshold option to maintain minimum density of multiplier features

test-ecf01f22

Only let --preserve-point-density-threshold shift density around

test-b1466547

Revert "Revert "The multiplier cap was a bad idea""

This reverts commit 80f7cb1c0e8247caba5ec1b0f9e9974bf9145d43.

test-1eb49860

Oh, I didn't git add the code changes