added =~ matcher for strings and arrays and ... for arrays
added object proximity matcher
fixed potential syntax error in array head/tail matchers
added a nice(r) error message on failure (see #24)

also tried vm.runInThisContext, but that seems to be a problem
handle the case where the stack trace isn't... there?
having a bit of trouble with the vm module
memberOf wasn't needed to R.numbers['parse']
added handling for line number followed by ) in trace
added support for multiple example tags (fixes #50)
updated copyright year
a-ha! fixed mocha/coffeescript issue (finally)