+ mapnik::value and mapnik::parameters - initial support for 64-bit integers
Merge branch 'master' into bigint
Merge branch 'master' into bigint
+ correct types
+ fix expression grammar to work with mapnik::value_integer
Merge branch 'master' into bigint

Conflicts:
	bindings/python/mapnik_feature.cpp
	plugins/input/shape/dbfile.cpp
+ use mapnik values in python converters
+ use mapnik::value_xxx
Merge branch 'master' into bigint

Conflicts:
	plugins/input/geojson/geojson_datasource.cpp
	plugins/input/postgis/postgis_featureset.cpp
+ wrap return value into mapnik::value_integer
+ remove LL
+ calc int_parser/generator type from mapnik::value_integer
+ fix bigint support
+ fixup cpp tests
Merge branch 'master' into bigint
fix #1659 but re-break bool->int auto-conversion, which is less of a problem
cMerge branch 'master' into bigint

Conflicts:
	bindings/python/mapnik_feature.cpp
Merge pull request #1661 from mapnik/bigint

Compile tile support for 64-bit integers in mapnik::value 
fix compile of occi plugin by casting from int to mapnik::value_integer (appears occi does not support 64 bit ints)
add mention of new 64 bit integer support for datasources and expressions
remove hardcoding of expected pixel types in agg svg renderer