Merge pull request #112 from arrayfire/devel

v3.4.2 devel to master

Merge pull request #96 from arrayfire/devel

v3.4.1 devel to master

Removed unused imports in random module

v3.3.1 Release

Update README with v3.3.0 release information

Merge pull request #50 from arrayfire/build_fixes

Fixed build options for OS specific cases