updating for v0.0.7
Merge branch 'master' into release
updated for v0.1.0 release
Updated for v0.1.1 release
Updated for v0.2.0 release
Merge branch 'master' into release
Updated for v0.2.1 release
Merge branch 'master' into release
Updated for v0.3.1 release.
Merge branch 'master' into release
Updated for v0.4.0 release.
Fixed required libs in setup.py to use newer install_requires.
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