Merge pull request darccio#161 from modopayments/fix160

fixed issue darccio#160 by removing unused old test code

Tests isolated in mergo_test package

Merge pull request darccio#105 from svyotov/fix-panic-on-merge

add support for Struct in Map

Merge pull request darccio#125 from rusdevops/master

added WithOverrideEmptySlice config flag

Merge pull request darccio#97 from imdario/pr-85

Overwrite struct's field with corresponding map's key that is intended to be zero

Update README.md

Merge pull request darccio#82 from vdemeester/slice-merge-fix

Don't append slice if not asked to

Update README.md

Little typo

Merge pull request darccio#59 from imdario/fix/pr-58

Fix PR darccio#58