Fix rescue in logout method

String#match? isn't a defined method for String, we want #match
Merge pull request #70 from estately/fix_logout_rescue

Fix rescue in logout method
First examples
clean up examples:

* 2 space tabs
* remove explicit TREB mentions
* simplify code (no threads or json)
* remove duplicated client login code from other examples
Merge pull request #72 from estately/examples

Add code examples
Tell git to ignore new rvm config files
Treat no matching records status without a count node as a zero count
Don't retry three times when there are no matching records
Add test to ensure an error is not raised when the client gets reply code 20201, no matching records
Better fixture name so it won't conflict with fixutre in another branch
Merge branch 'no_matching_records'