Change license of some files to CC0 for compatibility with BSD-licensed code.
Add support for packing coordinate pairs into JavaScript numbers.
Fix ellipsoid scaling in geographic distance calculations and optimize coordinate pair unpacking.
Move NameSet from public transit tree to general encoding functions, to share it with other functionality.
Add bounding box class.
Optimize number to coordinate pair decode, add trim function and debug PackStream.
Rename reach.trans.NameSet to gis.enc.NameSet to share it with map compression.