Merge pull request #213 from gilmoskowitz/prepFor4.9.3

update version numbers in prep for 4.9.3 release

Merge pull request #210 from gilmoskowitz/bump4.9.2

bump version numbers for 4.9.2 release

Merge pull request #204 from gilmoskowitz/bump4.9.1

bump version for a future release

Merge pull request #200 from gpazo/bump490

update to 4.9.0

Merge pull request #198 from bendiy/plv8-in-core

Plv8 in core

Merge pull request #196 from gpazo/bump490beta

bump to 4.9.0-beta
The CI failure looks like a known problem with the FRE test having to do with year rollover.

Merge pull request #197 from gpazo/bump481

bump 4.8.1

Merge pull request #195 from gpazo/bump480

bump 480

Merge pull request #180 from jgunderson/map

 Closes #181, initial set of BI Maps for cities

Bump version to 4.5.3