Debugger: improve cache / fix compare none case-sensitive 

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43302 4005530d-fff6-0310-9dd1-cebe43e6787f
Debugger: fix disassembler testcase

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@43303 4005530d-fff6-0310-9dd1-cebe43e6787f