Log Message:
py-llvmlite: updated to 0.27.0

v0.27.0

This release updates llvmlite to LLVM 7. Note that LLVM 7.0.0 contains a \ 
critical bug that is resolved with a patch included in the llvmdev conda package \ 
recipe. The final release of LLVM 7.0.1 may also resolve the issue.

Add another thread for RPi builds.
llvm lld integration
Build LLD as part of the llvmdev package
Set up CI with Azure Pipelines
LLVM 7 support