Update released

Author: tjohnston-softdev

changelog.md

@@ -1,6 +1,21 @@
 # Changelog
 
-**./instructions.md**
-* Re-worded unit test dependencies.
-	* Before: "The mocha and chai packages are required for unit testing."
-	* After: "Unit tests were implemented using mocha and chai"
+**Changes from original submission**
+* Implemented unit tests for:
+	* Input file validation.
+	* Graph parsing.
+	* Pathfinding algorithms.
+	* Submission example cases.
+* Revised implementation details:
+	* Removed stray horizontal rule under implementation details
+	* Described output for different pathfinding functions.
+	* Described project dependencies.
+	* Various formatting changes throughout.
+* Revised submission code.
+	* Merged "NO SUCH ROUTE" text into common function.
+	* Parsed graph must have multiple nodes/edges
+	* Revised 'possible routes' algorithm to avoid impossible sequences
+	* Split submission test cases to their own file.
+* Dependencies.
+	* The submission itself uses no third-party packages. Everything is written in native Node JS.
+	* Unit tests were implemented using [mocha](https://mochajs.org/) and [chai](https://www.chaijs.com/)