readme update

Author: verhas

README.md

@@ -1,10 +1,13 @@
 # ScriptBasic for Java
 
+This project needs volunteers who read the outdated documentation and update it in Markdown or ASCIIDOC.
+If you consider contributing please fork the project and start writing documentation. I will happily credit.
+
 [![Build Status](https://travis-ci.org/verhas/jScriptBasic.svg?branch=master)](https://travis-ci.org/verhas/jScriptBasic)
 
 ScriptBasic for Java is a BASIC interpreter that can be embedded into Java programs. With SB4J you can
 script your application (or let the users to script) in good old BASIC. You can start in the JVM an
-interpreter and execute for example  
+interpreter and execute for example:
 
 ```
 PRINT "hello, I am BASIC"
@@ -23,7 +26,7 @@ To embed the interpreter into your application you need to use SB4J as a depende
   <dependency>
     <groupId>com.scriptbasic</groupId>
     <artifactId>jscriptbasic</artifactId>
-    <version>2.0.0</version>
+    <version>2.1.1</version>
   </dependency>
 ``` 
 
@@ -32,7 +35,7 @@ and then use the JSR223 defined scripting interface or use the ScriptBasic speci
 The simplest way is to use the line
 
 ```
-     ScriptBasic.getEngine().eval("PRINT \"hello world\"");
+     ScriptBasic.engine().eval("PRINT \"hello world\"");
 ```
 
 to get an execution engine and `eval()` the program source. There are other possibilities. You can
@@ -43,7 +46,7 @@ The BASIC language contains all the usual BASIC features, subroutines, local and
 conditional statements, loops and so on. (No GOTO!) Your host program can directly call subroutines, read
 and write global variables, provide methods implemented in Java to be called from BASIC code.
 
-The interpreter can safely be integrated to applications as the BASIC programs can not access
+The interpreter can safely be integrated to applications as the BASIC programs cannot access
 arbitrary objects and call Java methods at their will and there are other features that help
 controlling the scripts in the application. The language is a "no freak out" language, so you
 can put the programming possibility into the hands of users who would not ever touch Python, Groovy