Day1: Adding worksheet for val, var and lazy val
Day1: Adding more examples
Day2: Adding worksheet vor methods
Day2: Adding worksheet for functions
Deleting comment
Fixing call by value example
Merge branch 'workshop' into cheatsheets

Conflicts:
	src/main/scala/section1/1_values.sc
	src/main/scala/section1/2_methods.sc
	src/main/scala/section1/3_functions.sc