Added more tools: query, tags, other

[dsblank]

This PR is a work in progress.

• adds a query function to find items (name, comparsion, value)
• adds a function to get queryable names
• adds a function to get tagged items
• adds "others" to experiment details

Some of the questions you can now ask:

1. Are there any experiments that are tagged in the "sequential" project?
2. Which experiment has a "storage_size_bytes" of less than 66,386 in the "sequential" project?
3. Are there any experiment that have a storage_size_bytes that is less than 66,000 bytes?
4. What experiments are tagged with "marked" in this project?
5. Can you tell me about "identical_caviar_1647" experiment in project "sequential"