Extend with self so we can private methods are actually private.

"Results" key is now "Result" and is not an array when only one result.
Update code and response fixtures to reflect this.

This fixes issue #305.

"Results" key is now "Result" and is not an array when only one result.

Reduces code duplication.

There is no :method option.

This fixes issue #260.

This addresses issue #199 and is more directly a response to the
excellent comments from github.com/zetetic on commit 1b658304.

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This change will call the writer methods defined on an AR model, if they're
implemented, instead of going behind their back. This also avoids a rails 3
deprecation warning, if the named attributes aren't actually database
attributes.

do not redefine "type" method

it is better and faster

The `del` method must be defined on the cache store too

Deprecate 'class' method for Nominatim result instance

Fixes bug in -j and -u options.

Fix to #nearbys when activerecord model has a primary key different than 'id'