Readme fixes

Author: andrewvk

CodeJam.Blocks/Readme.txt

@@ -1,8 +1,8 @@
-CodeJam.Blocks 4.0.0-beta1 Release Notes
-----------------------------------------
+CodeJam.Blocks 4.0.1 Release Notes
+----------------------------------
 
-What's new in 4.0.0-beta-1
---------------------------
+What's new in 4.0.0
+-------------------
 * Add C# 8+ nullability markup
 * Remove JetBrains nullability markup: NotNull/CanBeNull/ItemNotNull.
 * Remove deprecated targets. Supporting: .NET 3.5+, .NET Standard 2.0+, .NET Core 3.1+.

CodeJam.Main/Readme.txt

@@ -2,12 +2,12 @@
 ---------------------------
 
 What's new in 4.0.1
--------------------------
+-------------------
 * Fix various nullability issues
 * Remove Theraot dependency for .NET Core 3.1 and .NET Standard 2.0, 2.1
 
 What's new in 4.0.0
--------------------------
+-------------------
 - Breaking changes:
   * AdjustTimeout behaves as user would expect.
   * Original AdjustTimeout renamed to AdjustAndLimitTimeout