Added listdatabases action and changed prototype for list_tables model function

dbcontrollerfunctions.lua

 module(..., package.seeall)
 
+function listdatabases(self)
+	return self.model.list_databases(self, self.clientdata)
+end
+
 function listtables(self)
-	return self.model.list_tables()
+	return self.model.list_tables(self, self.clientdata)
 end
 
 function viewtable(self)

dbmodelfunctions.lua

@@ -2,7 +2,20 @@ module(..., package.seeall)
 -- Helper library for model functions for viewing and editing database entries
 -- Relies heavily on the acf-lib/db.lua library (db object passed into each function)
 
-function list_tables(db)
+function list_databases(db, self, clientdata)
+	local retval = {}
+        local errtxt
+	local res, err = pcall(function()
+		retval = db.listdatabases()
+	end)
+	if not res and err then
+		errtxt = err
+	end
+	
+	return cfe({ type="list", value=retval, label="List of Databases", errtxt=errtxt })
+end
+
+function list_tables(db, self, clientdata)
 	local retval = {}
         local errtxt
 	local res, err = pcall(function()