Updated the documentation and restructured a bit because it wasn't

compiling (note: Breathe not working)

doc/Makefile

@@ -57,7 +57,7 @@ html:
 	@echo "Generating Doxygen documentation..."
 	doxygen Doxyfile
 	@echo "Doxygen documentation generated. \n"
-	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
+	$(SPHINXBUILD) -b html -c ./ $(ALLSPHINXOPTS) $(BUILDDIR)/html
 	@echo
 	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."