docs: update README.md before 0.2.0 release

- remove resolved limitations
- add entry to version matrix

README.md

@@ -76,26 +76,14 @@ The derivation mechanism uses inlining. Depending on the size of the data struct
 wants to derive an `Arbitrary`, it is possible to hit the compiler's maximum limit for number of
 successive inlines.
 
-In that case, compilation *should* fail with a message saying:
+In that case, compilation will fail with a message like this one:
 
 ```
 [error]    |                     Maximal number of successive inlines (32) exceeded,
 [error]    |                     Maybe this is caused by a recursive inline method?
 [error]    |                     You can use -Xmax-inlines to change the limit.
 ```
 
-However, it may also fail with a less helpful message like this one (where `MyTestSuite` is the
-name of the class in from which derivation was tried from):
-
-```
-[error]     |object GensList cannot be accessed as a member of (ArbitraryDeriving_this : 
-[error]     |  (ArbitraryDeriving_this² : io.github.martinhh.derived.ArbitraryDeriving)
-[error]     |) from class MyTestSuite.
-[error]     |
-[error]     |where:    ArbitraryDeriving_this  is a value in the initializer of value gens
-[error]     |          ArbitraryDeriving_this² is a value in an anonymous function locally defined in class MyTestSuite
-```
-
 #### Workarounds
 
 There are two ways to handle this:
@@ -104,12 +92,6 @@ There are two ways to handle this:
 2. instead of deriving an `Arbitrary` for the whole structure at once, derive "intermediate"
    instances for some of its members (and place them into implicit scope).
 
-### Cogens / deriving functions
-
-Derivation of `Cogen` instances is not supported (yet).
-
-This means that you cannot, for example, derive a function of type `LibItem => Int`.
-
 ## Version matrix
 
 The following table documents which versions of scalacheck, scala, scala-js and scala-native were
@@ -118,3 +100,4 @@ used for each release:
 | scalacheck-derived | scalacheck | scala | scala-js | scala-native | 
 |--------------------|------------|-------|----------|--------------|
 | 0.1.0              | 1.17.0     | 3.2.2 | 1.13.0   | 0.4.12       |
+| 0.2.0              | 1.17.0     | 3.2.2 | 1.13.0   | 0.4.12       |