[mypyc] Update the docs some

Author: msullivan

mypyc/README.md

@@ -21,8 +21,6 @@ semantics. This means (among some other things):
 
  * Instance attributes won't fall back to class attributes if undefined
 
- * Metaclasses not supported
-
  * Also there are still a bunch of bad bugs and unsupported features :)
 
 Compiled modules can import arbitrary Python modules, and compiled modules
@@ -114,14 +112,13 @@ These are the current planned major milestones:
 
 6. [DONE] Release a version of mypy that includes a compiled mypy.
 
-7. 
+7.
     1. More feature/compatibility work. (100% compatibility with Python is distinctly
        an anti-goal, but more than we have now is a good idea.)
-    2. Support compiling Black, which is a prominent tool that could benefit
+    2. [DONE] Support compiling Black, which is a prominent tool that could benefit
        and has maintainer buy-in.
        (Let us know if you maintain another Python tool or library and are
        interested in working with us on this!)
-
     3. More optimization! Code size reductions in particular are likely to
        be valuable and will speed up mypyc compilation.
 

mypyc/doc/dev-intro.md

@@ -8,13 +8,8 @@ message.
 
 Here are some major things that aren't supported in compiled code:
 
-* Functions that take `*args` or `**kwargs`
 * Many dunder methods (only some work, such as `__init__` and `__eq__`)
 * Monkey patching compiled functions or classes
-* Metaclasses
-* Class decorators
-* Async features
-* Generally Python 3.5+ only features
 * General multiple inheritance (a limited form is supported)
 * Named tuple defined using the class-based syntax
 * Defining protocols