implement meta/revision-info
Implement the bundles-containing API endpoint.
Simplify the bundles-containing base query. Also return a bad request if flags are invalid.
Add a bundles-containing test with partial charm URLs.
Refactor the bundles-including endpoint include error test.
Implement a more direct way to filter the entities in the bundles-containing API endpoint.
Use baseurl to search and sort numeric

Use baseurl and remove entries which have different series.
Use numeric sort.
Add bulk api tests for the charm-related and bundles-containing endpoints.
add the revision-info to metaEndpoints

So that it gets tested with all the rest of the meta endpoint machinery.
Document comment the backward Less impl
add decoy charms to revision-info test

Decoy charms prove that they are not found.
Remove the addBundles helper from the API suite.
Improve blob hash and size handling in relations tests.
Fix parseBool name and docstring. Other minor comment fixes.
Improve data type test assertions in API tests.
Merge pull request #78 from frankban/bundles-containing-api

Implement the bundles-containing API endpoint.
rename and unexport EntitiesByURLDesc
s/baseURL.String()/&baseURL/
Implement the meta/stats API endpoint.

As a pre-req, also implement the first stats hook (archive-download).
Fix typo in the entityStatsKey docstring.