Add _ = EXPR to the list of expressions that can handle no return
Deprecate is_regex/1 and is_range/1
Update CHANGELOG with ListDict soft deprecation
Remove deprecated code
Deprecate is_regex/1 and is_range/1

Conflicts:
	lib/elixir/lib/string.ex
Properly normalize filters in ExUnit runner
Properly document regex options
Remove section from Access to be deprecated
Add defstruct and allow unquoting inside maps/structs
Add a note about capture_io stderr requiring async: false
Support `--only` for filtering when running tests with `mix test`

Closes #2065
Remove unused .line field
Start app after changing System.argv on 'mix run'
Start app after changing System.argv on 'mix run'
Fix `String.slice error`

    iex(76)> String.slice("string", 0..-2)
    nil # you see here is the issue, it shouldn't return `nil`
    iex(77)> String.slice("string", 1..-2)
    "trin"
    iex(78)> String.slice("string", -5..-2)
    "trin"
Add test case for  bug
Fix `String.slice error`

    iex(76)> String.slice("string", 0..-2)
    nil # you see here is the issue, it shouldn't return `nil`
    iex(77)> String.slice("string", 1..-2)
    "trin"
    iex(78)> String.slice("string", -5..-2)
    "trin"
Add test case for  bug
Stream line getting started workflow
Add RemoteConverger