This option is not recommended but it must be available for consistency.
The API should support the same options regardless of the algorithm used
for finding nearby objects.

Also move shared :conditions to default_near_scope_options.

PostgreSQL doesn't support the "X,Y" format for the LIMIT clause, and this
is proper use of ActiveRecord anyway.

In response to bug reported by Github user kenzie.

Update changelog and bump version.

Avoid using column aliases in the HAVING clause (not allowed by
PostgreSQL).

Update changelog, bump version, and change gem home page from
code.alexreisner.com to github.com.

This makes the tests Rails 3 compatible. Adding /core_ext is necessary
or we don't have access to the class_inheritable_reader method.

This less accurate SQLite-compatible implementation is activated
automatically if an SQLite database is being used.

method.

When calculating geographic center, convert from degrees to radians before computation, then back again before returning.

This reverts commit fc0b5ba9.