fix compiler error with mapnik 2.1 or where mapnik::value_integer is int32
Merge pull request #132 from stefanklug/compiler-error

fix compiler error with mapnik 2.1 or where mapnik::value_integer is int...
support returning 64bit Number for grid base_mask
allow tests to pass if using mapnik before mapnik/mapnik#1662 is merged
bump to 0.7.20 with fuller 64bit support
Fix grid_view test logic
switch from Integer to Number to fully support 64 bit types and fix various -Wshadow warnings
Merge pull request #133 from stefanklug/master

Expose the map.scale() function
include limits header, which is needed after new refactoring in mapnik 2.2-pre
include limits header, now needed on linux after refactoring of headers upstream in mapnik
Merge branch 'master' of github.com:mapnik/node-mapnik
bump to 0.7.21
Merge branch 'master' of git://github.com/mapnik/node-mapnik
various header fixes to include what is actually used and better future-proof compile for mapnik refactoring upstream
fixes for compiling against Mapnik 2.0.0
Merge branch 'master' of git://github.com/mapnik/node-mapnik
bump to 0.7.22 with header include fixes
Merge branch 'master' of git://github.com/mapnik/node-mapnik
fixup includes on windows
always test after building