add more documentation
shut up Perl::Critic
bool overloading
shortcut new if there are no arguments
add cpanfile
subset
fix iterator
slice
collapse subset into clone
consolidate slice into values
make push/unshift return value more efficient
add merge method
add keys argument to iterator
have as_list take optional keys and test value slice with unknown key
add to SYNOPSIS
reorder exists
add return value docs to unshift
add Tie::LLHash to benchmarking
bump Changes