Update instance comment
Merged
Update README.markdown

Added FileIO into list.
Fix tests. Answers for StateT should not be reversed.
Merge branch 'master' of github.com:NICTA/course into abc
Add an extra test for StateT's Apply instance

Catches a potential subtle bug with wrong sequencing of effects.
add note on notReverse
Add basic tests for 'start' and 'end' functions
Fix wrong comments
Merge pull request #62 from djv/patch-1

Add an extra test for StateT's Apply instance
Merge pull request #64 from djv/patch-3

Fix wrong comments
Added test cases for left apply, right apply. Fixes #65.
Merge branch 'master' of github.com:NICTA/course
Merge pull request #63 from djv/patch-2

Add basic tests for 'start' and 'end' functions
Remove non-total warnings, as per #63.
Merge branch 'master' of github.com:NICTA/course
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