Module control

A couple of functions to enable and disable coloring.

Structs

• SHOULD_COLORIZE
  The persistent ShouldColorize.
• ShouldColorize
  A flag for whether coloring should occur.

Functions

• set_override
  Use this to force colored to ignore the environment and always/never colorize See example/control.rs
• unset_override
  Remove the manual override and let the environment decide if it’s ok to colorize See example/control.rs