Update README.md

misspelling fixed
Fix compatibility with Sublime Text 3
Fix ST3 compatibility in file type detection
Merge pull request #21 from gevans/sublime-3

Fix compatibility with Sublime Text 3
Merge pull request #19 from nikolaybobrovskiy/patch-1

Update README.md
adding Rspec let - memoized helper
Update README.md

Rather than asking people to locate Sublime's packages, the change provides a way to get there. I am sure even getting to the packages folder would be a challenge for many.
Merge pull request #24 from kaushikgopal/master

sublime snippet for let - memoized helper
Merge pull request #29 from wilbertcr/patch-1

Update README.md
Fixes to make it work with ST3
Merge pull request #31 from ronny/fix-create-module-st3

Fix to make RSpecCreateModule work in ST3
Merging upstream