Implements findWhere, removes some redundant tests, makes array notation in example outputs more consistent
Merge pull request #155 from LewisJEllis/findWhere

Implements findWhere
documentation: describe browser usage
Failing error-emits-value tests from #158
Fixes error-emits-value tests
Adds noValueOnError tests for all transforms and HO-streams
Gives each noValueOnError check its own test
Merge pull request #160 from LewisJEllis/err-elseif

Fix transforms which incorrectly emit values on errors. Add tests. (ref #158).
Implements split, splitBy