Initial assignment files
Merge branch 'master' into assign3
Classes working fine
started changing for variables
Simple variables working fine
Variable list working
Event declaration without paranthesis working
Handled empty paranthesis in events
Events working. Handled Unknown classes.
Function declarations working. Modified rules for adding semicolon to event and formal declaration
Function body working fine
Working on expressions
Added actions for expressions and return from function
Added actions for compound statements
return type statemnet working fine
Assignment statements working fine
function invocation working
Variable with assignment working
Events under progress
Editing event actions