Fix Crate version to 3.8 in README instructions

Update cargo version to 3.7.2 for fix release

Fix function name typo in opencl interop crate

Update instructions in readme to reflect 3.7 release

Fix github actions push/pr triggers

Update crate version for 3.6.2 release

Update crate version for release

Fix documentation test in graphics module

Merge pull request #159 from arrayfire/devel

v3.5.0 devel to master

Merge pull request #127 from arrayfire/devel

v3.4.3 devel to master