Add a unit test for create source. Update markdown. Update usage statement.
Checks to see if target event log exists.
throws eventlognotfound exception when creating source in a non-existant event log
Add DoesEventSourceExist() and unit tests. Required for CreateEventSource().
Returns error message if event source already exists.
Wired up code to actually add an event source.
return success string
Reorganize unit tests. A bit of refactoring.
Merge pull request #4 from StilgarISCA/CreateEventSource

Create event source