Added new package option wrapfooter to allow very long chapter names to wrap (multilines).

my-thesis-setup.tex

@@ -1,4 +1,4 @@
-% !TEX root = thesis-example.tex
+% !TEX root = my-thesis.tex
 
 
 % **************************************************
@@ -58,6 +58,7 @@
     bibsys=bibtex,%
     bibfile=bib-refs,%
     bibstyle=alphabetic,%
+    wrapfooter=false,%
 }{cleanthesis}
 \usepackage{cleanthesis}