v0.1.0

SQL syntax

• support SHOW TABLES (#64)
• support DESCRIBE TABLE (#66)
• support aliases for expressions in SELECT (#59, #61)
• support SELECT * (#63)
• support implicit CROSS JOIN (#58, #62)

Git

• Rename references table to refs to avoid conflict (#65)

Internals

• update to go-git v4.0.0-rc4 API (#56)
• rename *relation to *table (#55)
• migrate to vitess SQL parser (#57)
• add Null type (#57)
• minor code clean ups (#48)