[FEATURE] Added v:if, deprecating v:if.condition / v:if.condition.extend
[FEATURE] Added backup / restore of variables to utility
Merge pull request #401 from hmspl/if

[FEATURE] Added v:if, deprecating v:if.condition / v:if.condition.extend
Merge pull request #400 from hmspl/utility

[FEATURE] Added backup / restore of variables to utility