Reference

All functions
`==`(<stanedit>)	Check if two models are equal
`[`(<stanedit>)	Subset model lines
`[<-`(<stanedit>)	Subset and replace model lines
`!=`(<stanedit>)	Check if two models are unequal
add_block()	Add a block to a stan model
get_block()	Get the contents of a block in a stan model
get_declaration()	Get the declaration of a variable in a stan model
get_vars()	Extract the variables declared in a stan model
insert_lines()	Insert lines in a stan model
move()	Move stan code elsewere
remove_lines()	Remove line(s) and/or block(s) in a libbi model
stanedit()	stanedit
write_model()	Writes a bi model to a file.