Added changelog and updated version number

Changelog.md

@@ -0,0 +1,16 @@
+
+# Version 3.1
+
+* Added methods to extract submatrices from 2x3 and 3x4 matrices.
+* Added an `affineInverse` method for 2x3 and 3x4 matrices.
+* Added constructors to 2x3 and 3x4 matrices to construct a matrix from a submatrix and an additional column.
+* Added `inverseLerp` function to `scalamath`.
+* Added more overloaded methods for dot products.
+
+# Version 3.0
+
+Update 3.0
+
+* Full project overhaul
+* Finished quaternions
+* Moved color math to [ColorLib](https://github.com/ScalaMath/ColorLib)

Readme.md

@@ -196,7 +196,7 @@ Due to VecMatLib not using any internal or temporal objects during any computati
 ### sbt
 
 ```sbt
-libraryDependencies += "io.github.scalamath" % "vecmatlib" % "3.0"
+libraryDependencies += "io.github.scalamath" % "vecmatlib" % "3.1"
 ```
 
 ### Maven
@@ -205,14 +205,14 @@ libraryDependencies += "io.github.scalamath" % "vecmatlib" % "3.0"
 <dependency>
     <groupId>io.github.scalamath</groupId>
     <artifactId>vecmatlib</artifactId>
-    <version>3.0</version>
+    <version>3.1</version>
 </dependency>
 ```
 
 ### Gradle
 
 ```groovy
-implementation 'io.github.scalamath:vecmatlib:3.0'
+implementation 'io.github.scalamath:vecmatlib:3.1'
 ```
 
 ## Questions and answers

build.sbt

@@ -1,7 +1,7 @@
 // Project info
 name := "VecMatLib"
 homepage := Some(url("https://github.com/ScalaMath/VecMatLib"))
-version := "3.0"
+version := "3.1"
 description := "A Scala library for vectors and matrix math"
 // Organization info
 organization := "io.github.scalamath"