1 - weak ref checking for Sub::Quote to avoid bugs on refaddr reuse
2 - Switch composed role names to be a valid package name
5 - Fix clobberage of runtime-installed wrappers by Sub::Defer
6 - Fix nonMoo constructor firing through multiple layers of Moo
7 - Fix bug where nonMoo is mistakenly detected given a Moo superclass
8 with no attributes (and hence no own constructor)
11 - Automatic detection on non-Moo superclasses
14 - Fix _load_module to deal with pre-existing subpackages
17 - Add explanation of Moo's existence
18 - Change @ISA setting mechanism to deal with a big in 5.10.0's get_linear_isa
19 - Change 5.10 checks to >= to not try and load MRO::Compat on 5.10.0
20 - Make 'perl -Moo' DTRT