Update changelog for 2.17.1

HISTORY.md

@@ -1,5 +1,13 @@
 <!-- #291 - Jul 20th - Last update to this document -->
-## [2.17] - Unreleased
+## [2.17.1] - 2018-09-15
+### Fixed
+- Configuration options now only throw warnings when written to
+  - This fixes travis and other CI environments throwing an abnormally large number of warnings
+([luke-hill])
+- Fixed a name collision for a private method in `ElementChecker` that conflicted with ActiveRecord
+([Systho])
+
+## [2.17] - 2018-09-07
 ### Removed
 - `collection` has been removed from the SitePrism DSL (Was just an alias of `sections`)
 ([luke-hill])
@@ -636,7 +644,8 @@ Removed testing for Ruby `2.0` on Travis
 - First release!
 
 <!-- Releases -->
-[Unreleased]: https://github.com/natritmeyer/site_prism/compare/v2.15.1...master
+[2.17.1]:     https://github.com/natritmeyer/site_prism/compare/v2.17...v2.17.1
+[2.17]:       https://github.com/natritmeyer/site_prism/compare/v2.16...v2.17
 [2.16]:       https://github.com/natritmeyer/site_prism/compare/v2.15.1...v2.16
 [2.15.1]:     https://github.com/natritmeyer/site_prism/compare/v2.15...v2.15.1
 [2.15]:       https://github.com/natritmeyer/site_prism/compare/v2.14...v2.15
@@ -727,3 +736,4 @@ Removed testing for Ruby `2.0` on Travis
 [jgs731]:         https://github.com/jgs731
 [mdesantis]:      https://github.com/mdesantis
 [JaniJegoroff]:   https://github.com/JaniJegoroff
+[Systho]:         https://github.com/Systho