Bump version to 0.0.4
Update TODO notes
Update gem dependencies
Update gem dependency
Remove explicit licence from the README
Bump to version 0.0.5
Do not allow memoization methods with nonzero arity

This makes sure the memoizer is not used to create tricky to track down
bugs.
Use better exception message for zero arity assertion
Fix 1.8 mode

Dunno how we will kill the mutation under 1.9 as soon mutant is able to
mutate adamantium.
Prefer if over unless
Merge pull request #10 from mbj/assert-memoize-zero-arity-methods

Do not allow memoization methods with nonzero arity
Add more gem groups to skip bundling
Update git ls-files to use a separator after the options
Upgrade backports gem dependency
Remove reek gem dependency temporarily
Upgrade yardstick gem dependency
Update flay, flog and roodi thresholds
Bump version to 0.0.6
Do not pass or take arguments from/to memoized method

We only allow memoization of zero arity methods, so this argument
proxying is not needed at all.