Started taking notes for the README.

README.md

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+# Machinist 2
+
+This is an early alpha version of Machinist 2.
+
+
+## What's New
+
+- Caching, FTW!!!!
+- Collections -- make lots of objects in one hit (coming soon)
+
+
+## What's Different
+
+Machnist 2 is not a drop-in replacement for Machinist 1. Implementing
+caching has required substantial changes to the API.
+
+- No more Sham
+- Use `make!` if you want a saved object, or `make` if you don't
+
+
+## What's Not There Yet
+
+- No easy upgrade path from Machinist 1
+- No `make` method on associations
+- No support for ORMs other than ActiveRecord
+- Blueprints don't follow class inheritance
+- No `plan` method