Add in the datetime docs now that they pass LaTeX.  Still ugly, but that can
be fixed.
diff --git a/Doc/Makefile.deps b/Doc/Makefile.deps
index f3845b8..3652a27 100644
--- a/Doc/Makefile.deps
+++ b/Doc/Makefile.deps
@@ -137,6 +137,8 @@
 	lib/libarray.tex \
 	lib/liballos.tex \
 	lib/libos.tex \
+	lib/libdatetime.tex \
+	lib/tzinfo-examples.py \
 	lib/libtime.tex \
 	lib/libgetopt.tex \
 	lib/libtempfile.tex \