list support
list: single item adder
fix stuff broken due to list support changes
list: comprehensive null checks
map support + variable name escaping
list/map: lazy instantiation
add tests + only emit setters up to 5 map entries
bounded wildcard setters
list/map: adders instead of setters
naming cleanup
simplify test
use different key & value in map field test
set support
do not emit singular mutators with keyword names
support @Nullable collection fields
readme: update todo
guava optional
jut optional
optional example
update readme