Fixed error occuring when extreme value of intervention coverage was used (0.0…

Fixed error occuring when extreme value of intervention coverage was used (0.0 or 1.0) in phi_inv() function and implemented catching thrown exception from phi_inv()

There are typos in the different calls to phi_inv due to copy/paste. Fix these before merging.

added 1 commit

• 0bb0f71d - There were typos git push

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merged

mentioned in commit 74f0082f