v0.3.0

Feature

• ProgramParser: Add support for functions (d95a3f9)
• FunctionParser: Add parser to support functions (ab53faa)
• AtomParser: Add new production for function name (28c9370)
• ReturnException: Add exception to handle return statements (cc99f7c)
• control.py: Add node classes to support functions (8e90d1e)
• blocks.py: Add classes to handle program and functions blocks (d2ddf15)
• rajiniworld.py: Add functions to store functions (efacd36)
• token.yml: Enable tokens for functions (718ca1c)

Documentation

• examples: Add example program for functions (1eb0ab2)
• examples: Add example for functions (505813b)
• README.md: Update readme (b23a777)