Allow filtering by syscall name
Allow filtering by time range
Add basic structure for ctf filtering

Currently only supports integer fields and
writing them to the metadate
Add support for more integer and string fields to ctf-filter
ctf-filter: add basic support for writing events to new trace

Don't expect this to work correctly, it's a partial implementation
Add progress bar to filter
Completed basic ctf-filter functionality

It is still lacking support for certain types of fields,
but the basic event filtering works