Add missing newline at end of file
Move Vcloud::Query to Vcloud::Core::Query

Move `Vcloud::Query` to the `Vcloud::Core::Query` namespace so as to
avoid conflicts with other Gems such as
['vcloud'](http://rubygems.org/gems/vcloud).
Move Vcloud::QueryRunner under Vcloud::Core

Move `Vcloud::QueryRunner` to the `Vcloud::Core::QueryRunner` namespace
so as to avoid conflicts with other Gems such as
['vcloud'](http://rubygems.org/gems/vcloud).
Remove extraneous line at end of file
Update CHANGELOG and bump version to 0.2.0

Update the CHANGELOG and bump the version to 0.2.0 to reflect the
breaking changes to namespacing.
Add explicit namespace to Query and QueryRunner

Add the explicit namespacing to Query and QueryRunner in line with the
changes in 6abbb67c93eb99d2d52e5e40cb97ce9921cdbc53 and
e2eb41b61e363796fa5b97d8fe04769011060f62, where these classes were moved
under the Vcloud::Core namespace.
Merge pull request #33 from alphagov/69995588-namespace_under_core

[#69995588] Namespace Vcloud::Query and Vcloud::QueryRunner under Vcloud::Core