Faster unit tests
Relax equality tests from exact precision 0

Expecting exact precision 0 can lead to failing tests if underlying implementation changes, a high expected precision of say 1e-15 seem more appropriate (nntest.Power sometimes fails because of this)
Merge pull request #84 from GeorgOstrovski/patch-3

Relax equality tests from exact precision 0
Merge pull request #74 from nicholas-leonard/fasterunittests

Faster unit tests
Fix of previous fix...

Sorry, should have replaced eq with lt straight away.
Merge pull request #85 from GeorgOstrovski/patch-3

Fix of previous fix...
Fixed bounds

The previous bounds allowed values which would fail. 
It has to hold that ini >= kj  and  inj >= ki which is guaranteed by the new bounds.
Bits of clean up
Merge pull request #86 from GeorgOstrovski/patch-3

Fixed bounds
Merge branch 'master' of https://github.com/torch/nn into ssm