Merge pull request #39 from alang9/master

One-dimensional optimization methods
thanks
bump version
meanCov moved to Container
merge develop, fix conflicts
size, unitary, mt
diagBlock
NFData (Matrix t)
Util: pairwise2D, rowOuters, null1, null1sym
operators for extraction of rows and columns, alternative concatenation
changes
add CDouble/CFloat instances for Element
FFI helpers
improve haddocks for flatten
add Data.Packed.Foreign
use an inline unsafePerformIO
explicit exports, fix argument order of appMatrixRaw
Revert "add CDouble/CFloat instances for Element"

This reverts commit d302e91710db7cccb32853cfd861b9f869eb4e31.
Merge pull request #43 from mikeplus64/master

Add FFI helpers
explicit imports in Util