Merge pull request #19 from bool64/storage-of-example

Storage table example

Merge pull request #18 from bool64/json-container

Add JSON marshaler for JSON container

Add JSON container for text db column (#17)

Update referencer.go

Add simple ToSql implementations (#14)

Add facade to Open db, add generic select (#13)

Add INSERT IGNORE option (#12)

Add columns exporter to referencer (#9)

Add DB accessor to storage (#8)

Allow empty alias in referencer (#7)