Added Claim depth ignore function, this function is configured on a per
world bases.

Added area search function, this allows the stick to search an area with
a configurable radius and show all claims inside the radius. 

New config.yml entries
DepthOverrideWorlds: []
SearchRadius: 10

New Permission
    griefprevention.stickmode:
        description: Grants access to area search mode command.
        default: true
        
New Commands
  basicsearch:
      description: Switches the stick tool to basic search mode.
      usage: /BasicSearch
      permission: griefprevention.stickmode
      aliases: bs
  areasearch:
      description: Switches the stick tool to area search mode.
      usage: /AreaSearch
      permission: griefprevention.stickmode
      aliases: as