Added a few new functions for dumping config state, also added new facilities for specifying that certain config options should be an array or a hash

test.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/bash4
+
+declare -a cmdarg_array
+declare -A cmdarg_hash
+
+source ./cmdarg.sh
+
+cmdarg 'b' 'boolean' 'A boolean argument'
+cmdarg 's:' 'string' 'A string argument'
+cmdarg 'a:[]' 'array' 'An array argument'
+cmdarg 'H:{}' 'hash' 'A hash argument'
+
+cmdarg_parse "$@"
+
+cmdarg_dump