Refactor execution

This patch set moves the execution related classes in their own sub-package.

This makes the "core" parts and the "execution" parts more cleanly separated.

changed milestone to %Soft loops

added 1 commit

• 1675ebee - [doc] Updated api.rst for new execution subpackage

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added 1 commit

• bd81a9dd - [version] Bump to 1.6.0b0

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merged

mentioned in commit 70fcd253