0.3.1

• SQL code generator escapes column names, so table column names can be the same as SQL keywords.
• Add like operator
• Add the types PGCitext, PGArray, PGBytea

0.3

• Replace Default QueryRunner with a new class DefaultQueryRunnerColumn, migrate with s/Default QueryRunner/DefaultQueryRunnerColumn and s/def/queryRunnerColumnDefault/
• Remove ShowConstant, use the monomorphic functions defined in the new module Opaleye.PGTypes instead. You will need to replace Column Bool with Column PGBool et.c. in query signatures
• Re-export more modules from Opaleye
• Add boolAnd, boolOr, max, and min aggregators
• Add lower and upper
• Add operator fixities
• Add maybeToNullable
• Add column instances for Bool, UUID, Text, and UTCTime
• Expose fieldQueryRunnerColumn from Opaleye.RunQuery
• Add unsafeCast
• Re-export Unpackspec from Opaleye.Manipulation