Document CSV simple module.

MODULES.md

@@ -772,3 +772,24 @@ bottom table border.
 
 The resulting list of strings is joined with newline character as the
 separator.
+
+### CSV Simple
+
+This module provides a very simple, incomplete and incorrect but fast
+CSV loader.
+
+    (csv-parse filename
+		[#:separator ";"]
+		[#:string-delimiter "\""])
+
+* ```separator``` - cell separator in CSV file
+* ```string-delimiter``` - for introducing strings possibly with separators
+
+Parses given CSV file and returns list of lists of strings
+representing its contents.
+
+    (csv-split-header csv)
+
+* ```csv``` - list of lists of strings
+
+Splits given loaded CSV into at the first empty row.