Adding another extensions for vim's swap files to the ignore list.
Defining ConnectionURL interface.
Implementing ConnectionURL for PostgreSQL.
sqlite: Adding support for ConnectURL.
sqlite: Adding support for ConnectURL.
Merge branch 'feature/connectionurl-interface' of github.com:upper/db into feature/connectionurl-interface
mysql: Adding support for ConnectURL.
ql: Adding support for ConnectURL.
mongo: Adding support for ConnectURL.
Adding network structures.
PostgreSQL and MySQL: Implementing db.Address.
Running goimports.
Adding comments for ConnectionURL and ParseURL().