Issues #57 and #59 cause Spencer said today

Closes #57 (closed) and #59 (closed)

Please fill in the appropriate checklist below (delete whatever is not relevant). These are the most common things requested on pull requests (PRs).

PR checklist

• This comment contains a description of changes (with reason)
• Documentation in docs is updated
• CHANGELOG.md is updated

CHANGELOG.md

@@ -3,12 +3,12 @@
 All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
+- Fix references.md link in citation of README.md
+- Add Nextflow to references.md
 
 ## [publish_1.0.6 ] - 2019-05-31
 ### Added
 - MIT LICENSE
-- Fix references.md link in citation of README.md
-- Add Nextflow to references.md
 - Check for correct genome input
 - Check for correct output for motif serach