Add QueryRunner to reexports
Merge pull request #73 from c-lewis/fix_count

Changed the type returned by `count` from `Int` to `Int64`
Correct spelling in comment
FIXME on ShowConstant instance
Note that Operators2.constant and ExprArr.constant should be considered deprecated
Add ShowConstant instance for String to Text
Update FIXME about ShowConstant Text Text
Use showThrough
Merge branches 'master' and 'dev' of ssh://github.com/karamaan/karamaan-opaleye into dev