feat(time): add time with offset

copier library: destination field cast and slices/arrays handling

Fix copier zero pointer handling

Adding WithRetries function in case of error in canceling flight opti…

…ons.

Merge pull request #29 from hurbcom/feature/struct-copier

deep copy libray

created ParseDateStringToTimeIn func

Changing package v4 name to aidego

Adding retract to v4.1.0 version

Fixing imports

creating new go.sum from go mod download command