Fixed EOL issues
Added beginnings of range facet

Signed-off-by: Yegoroff <AlexYegoroff+github@gmail.com>
Added .nuget to ignore

Signed-off-by: Yegoroff <AlexYegoroff+github@gmail.com>
Added range facet to available facets, basic implementation

Signed-off-by: Yegoroff <AlexYegoroff+github@gmail.com>
Cleanup after merging RangeFacet pull request
Complete RangeFacet support
Version 1.0.26
Supported for 'ignore_unmapped' Sort parameter.
Changed version to 1.0.27
CommandBuilders are able to specify several url parameters with the same name.
Changed version to 1.0.28
added GeoDistanceFilter
added GeoDistanceFilter to Filter.cs
added optional properties to GeoDistanceFilter
Provide comments and Geohash geo_point definition to GeoDistanceFilter
Refined GeoDistanceFilter with geohash test
Changed version to 1.0.29
Commit test project changes
Allow to set null Proxy  to ElasticConnection and thus specify that no proxy should be used.
Changed nuget package version to 1.0.30