For fd's time options consider adding these two tweaks

• --newer and --older visible clap aliases
• default the time component to 00:00:00 when only a date is given

which would turn this verbose incantation

$ fd -t f --change-newer-than '

Added object oriented approach for BST. Please review and let me know if any changes are required.

• Adding hints and doctest to old codes
• Reviewing Pending PRs
• Helping new Contributors
• Add more algorithms #14 #195

thank you

When working on a fix for #2755 I noticed that tags are being handled that cannot be used anyway, e.g. tags of disconnected changesets. Similarly, per-branch tags should be constrained to the checked out branch.

When trying to add a field of type constant_keyword to a Mapping, an exception is returned:

DSL class `constant_keyword` does not exist in field.

What happened

Accidentally omitting document content returns 500 Internal Server Error with a body of {"message":"Internal error","uri":"/new_index"}

What was expected

Emitting any kind of helpful message would be helpful. Also, in my experience, when the client receives a 500 response, there is usually something informative on the server-side. But in this case, the server e