Initial implementation of IEx.Options
Add color option for error messages
Add color option for informational messages
Add color options for ls helper
Simplify color enabling logic
Fix docstring for escape_fragment
Provide color options for escape_fragments
Code and doc formatting fixes
Fully support inspect_opts in IEx.Options
Add get/0 and set/0
Fix a typo in the doc for IO.ANSI.escape
Add an example of using the `limit` inspect opt
Moduledoc for IEx.Options
Filter out unknown keyword lists' keys in IEx.Options
Deprecate IEx.inspect_opts in favor of IEx.Options
Fix a bug in option keys validation
Move the list of inspect options back to Kernel's docstring
Make option docs in IEx.Options visible to ExDoc
Mention IEx.Options in IEx's doc
Mention value types for individual options