Update CHANGELOG

Author: José Valim

CHANGELOG.md

@@ -13,6 +13,7 @@
   * [Kernel] Rename `ELIXIR_ERL_OPTS` to `ELIXIR_ERL_OPTIONS` for consistency with `ERL_COMPILER_OPTIONS`
   * [OptionParser] Parse `-` as a plain argument
   * [OptionParser] `--` is always removed from argument list on `parse/2` and when it is the leading entry on `parse_head/2`
+  * [Regex] Properly escape regex (previously regex controls were double escaped)
 
 * Soft deprecations (no warnings emitted)
   * [Dict] `Dict.Behaviour` is deprecated in favor of `Dict`
@@ -43,7 +44,7 @@
 * Backwards incompatible changes
   * [Exception] Exceptions now generate structs instead of records
   * [OptionParser] Errors on parsing returns the switch and value as binaries (unparsed)
-  * [String] `String.to_char_list/1` (previously deprecated) no longer returns a tuple and raises in case of failure
+  * [String] `String.to_char_list/1` (previously deprecated) no longer returns a tuple but the char list only and raises in case of failure
 
 # v0.13.2 (2014-05-11)