Replace first-fn with some

Same behavior.
Fix #84 by returning function instead of string
Merge pull request #89 from sritchie/patch-2

Fix #84 by returning function instead of string
Merge pull request #85 from sritchie/patch-1

Replace first-fn with some
typo in example
Merge pull request #92 from trevor/patch-1

fixes typo in example exception handling