Updated readme and setup files. Minor bug fix in main script when set…

…ting button widths.

README.md

@@ -18,12 +18,14 @@ Primarily developed for use on Mac OS X, but should work on Linux and Windows.
 ## Table of Contents
 - [Installation](#installation)
 - [Usage](#usage)
+  - [Selecting the Image and Reference Image Folders](#selecting-the-image-and-reference-image-folders)
+  - [The Image to Reference Filename Delimiter](#the-image-to-reference-filename-delimiter)
   - [Inputs and Outputs](#inputs-and-outputs)
     - [Checkboxes](#checkboxes)
     - [Bounding Boxes](#bounding-boxes)
     - [Radiobuttons](#radiobuttons)
-  - [Progress](#progress)
-  - [Keyboard Shortcuts](#keyboard-shortcuts)
+    - [Progress](#progress)
+    - [Keyboard Shortcuts](#keyboard-shortcuts)
 - [Customisation](#customisation)
   - [Configuration Wizard](#configuration-wizard)
   - [YAML File](#yaml-file)