- missing output (null) is now reported

readme.md

@@ -260,6 +260,8 @@ all other lines (meaning different by the first character):
   this is useful when some output is received after the test has finished
 * '**error:**' output from the error stream (from the user program)
 * '**expected:**' indicates the expected output of the user program (this normally followed after a **>** when the output was wrong)
+* '**miss**' we expected an output but the user program didn't out anything
+  * so this is written instead of an output **>**
 
 OR   
 when a compile error occurred then the output of the compiler
@@ -422,7 +424,7 @@ Columns (the same as in the local config except the db specific settings)
 #### Example
 
 id | workingDirFullPath | hardTimeoutInMs | hardCompileTimeoutInMs | hardMemoryLimitInKb | hardMaxDiskSpaceLimitInKb | maxParallelTests | maxNumberOfTestsWithOneRequest |runner | showTestRunnerDebugOutput | maxLinesToRead | maxErrLinesToRead | maxLinesToWrite | environmentVars
---- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
+--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- 
 1 | /Users/janis/Documents/Test/ | 4000 | 2000 | 2000 | 2000 | 10 | 15 | "/Users/janis/Misc/Java/JavaVirtualMachines/jdk1.8.0_144.jdk/Contents/Home/bin/java" -Dfile.encoding=UTF8 -cp "/Users/janis/Documents/Projects/SyndromAll/Syndrom_DefaultTestRunnerFullThreaded/out" Main | 0 | 500 | 500 | 500 | USER=yapextester\nHOME=/home/yapextester\nPWD=\nLANG=de_DE.UTF-8\nPATH=/usr/local/bin:/usr/bin:/bin:/