Merge pull request #7 from orta/master

@ashfurrow => dont match for 'filenametests.swift' when finding reference dir
Submodule updates for tests.
Fixes #8.
Fixes problem with a difference in behaviour between recording and reviewing snapshots.
One more fix.
Fixes problem with a difference in behaviour between recording and reviewing snapshots.
Merge branch 'fix-8' of https://github.com/AshFurrow/Nimble-Snapshots into fix-8
Removes duplicated code from merge.
More last? fix.
Merge pull request #9 from AshFurrow/fix-8

@1aurabrown => Fix 8
Updated with snapshot