doc: update progress in README

README.md

@@ -15,11 +15,11 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 	- [ ] Non-leaf function calls need to check + bubble errors
 	- [ ] Behaviour of function calls in rvalue cases where err cannot be checked
 [ ] Comprehensive coverage of all AST node types
+	- [ ] Node
+	- [ ] Stmt
 	- [ ] Expr
 	- [X] Binary
 	- [ ] Scalar
-	- [ ] ...
-	- [ ] Convert instanceof for Exception types to Go1.13 `errors.Is`
 [X] Array handling
 	- [X] Infer whether to use slice/map for PHP array
 	- [ ] Infer whether map use should be order-preserving
@@ -29,6 +29,11 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 [ ] Generators
 [ ] Numbered break/continue
 [ ] Goto
+[ ] Comma operator
+[ ] `isset`/`unset`
+[ ] `instanceof`
+[ ] `try`/`catch`/`finally`
+[ ] Abandon upon sight of `eval` / `extract` / ...
 [ ] Closures
 	- [ ] Handle value/reference captures
 [ ] Sort callbacks
@@ -37,6 +42,9 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 	- *Currently always `init`*
 [ ] Class/object transformations
 	- [X] Convert `new X` constructor calls to `NewX`
+	- [X] Visibility
+		- [ ] Call mangled function name at call sites
+		- *PHP variable names are case-sensitive, function names are case-insensitive*
 	- [X] Static methods
 	- [X] Inheritance *partial*
 	- [ ] Interfaces
@@ -64,7 +72,6 @@ The goal is to produce idiomatic, maintainable Go code as part of a one-off conv
 		- [ ] AWS SDK
 		- [ ] PHPUnit -> Go Test
 		- [ ] Replace Composer/PSR-4 autoloading with Go imports
-
 [X] Variadic function parameters
 [ ] Preserve comments
 [ ] Preserve rough line spacing