wadindex.sql: removed file
renamed: sql/wadindex_schema.ini -> sql_schemas/idgames_db_dump.ini
idgames_db_dump: removed --overwrite, no longer used
XMLParser: close #68; handle one or many <file> elements
idgames_db_dump: check return status of DB insert

- Only request one file for the first 'latestfiles' request
- Changed a lot of the info/debug log formatting
DBFile: close #43; insert file votes into the 'votes' table
XMLParser: close #68; handle both one or many 'file' objects