v0.0.3

• Support all kinds of join on a boolean condition
• Support calling .withColumn and .withColumns on a DataFrame
• Support conditional columns with when

v0.0.2

• Support filtering with .where

v0.0.1

• Support basic data types and column operations
• Support encoding and decoding from/to case classes and tuples
• Support .select
• Support .groupBy and selected aggregate functions
• Support .innerJoin