- fix: encode nil as empty string, makes its easier to use conditionals in queries
- fix: doubled quotes wasn't escaped if string followed by language tag
- fix: don't infer namespace prefixes from inside quoted strings in the query
- feature: queries made with defquery can take arguments
- feature: compiler encodes from java.util.Date and org.joda.time.DateTime formats to xsd:dateTime
- feature: pretty-printer
- feature: compiler encodes lazy-seqs
- fix: ensure proper escaping of double quotes in strings