todo.txt

TODO:
  find by tags by part of tag
  delete Item(s) by tag(s) (delid $ find ids)
  modify value
  ignore case
  pretty print JSON (if python -mjson.tool is not enough)
  output options:
     sort
     hide tags
  rethink how to modularise Actions (IO-stuff vs. pure functions)
  special tags (date)
  tag wildcards
  Can't use plus or minus characters in tags
  multiline values (giving these from command line might be difficult)
DONE:
  find Item by tags
  add Item
  pretty print results
  date to Items (done as a automatic tag)
  delete Item by id
  add tag,remove tag (tag value +tag2-tag1)
  list tags
  list all Items
  ~check argument amount
  find Item with tag-modifiers (+tag1-tag2/tag3)
  refactor file handling into one place
  modify tags selector is id
  delid ja modify tags to support multiple ids
  find Item by part of value
  show all used tag combinations