1 - Fix clobberage of runtime-installed wrappers by Sub::Defer
2 - Fix nonMoo constructor firing through multiple layers of Moo
3 - Fix bug where nonMoo is mistakenly detected given a Moo superclass
4 with no attributes (and hence no own constructor)
7 - Automatic detection on non-Moo superclasses
10 - Fix _load_module to deal with pre-existing subpackages
13 - Add explanation of Moo's existence
14 - Change @ISA setting mechanism to deal with a big in 5.10.0's get_linear_isa
15 - Change 5.10 checks to >= to not try and load MRO::Compat on 5.10.0
16 - Make 'perl -Moo' DTRT