Refactored
Fixed readme
Fixed SQLSyntax.join doesn't work for and/or
Enabled `val sqls = scalikejdbc.interpolation.SQLSyntax`
Added appender methods to SQLSyntax
Added QueryDSL object prefix to avoid name confliction
Avoid throwing java.lang.IndexOutOfBoundsException
Refactored and added tests
Updated example
Updated readme
Added dynamicXXXConditions
Added #exists to Query DSL
Refactored tests
Added #notExists (= .not.exists)
Fixed formatter errors
Added #union, #unionAll
Refactored
Merge branch 'develop' into feature/dynamic-conditions
Merge pull request #125 from seratch/feature/dynamic-conditions

DynamicConditions Support for Query DSL
Fixed update examples to work with PostgreSQL