commit prior to changing Search::processkeywords to use it's own db context as a test to get to the bottom of the weird concurrency issues

test/raven-integration/burntest.bat

@@ -2,10 +2,8 @@ SET /a VAR=0
 :HOME 
 SET /a VAR=VAR+1 
 rem 1000 runs in local debug mode server is about 6 hours at current test pace with huge data
-IF %VAR%==1000 goto :End 
+IF %VAR%==100 goto :End 
  
 dotnet test 
  
-goto :HOME 
- 
-:END 
+goto :HOME