Added a basic getter factory for ListValueByIndex
Check for being assignable to IList.
Parsing arrayIndex from the passed value getter name.
Added checks for parsing success and index not being out of bounds
Added a ValueGetter class for ListValueByIndex
Added data to ListValueByIndex value getter and getting the data from at the index.
ListValueByIndex factory returns ValueGetter with target and index.
Added test for ListValueByIndex from an array
Added test for ListValueByIndex from Lists
Added test for ListValueByIndex with index out of bounds.
Registered ListValueByIndexGetterFactory with factories collection.
Merge pull request #77 from Romanx/feat/ListValuesByIndex

Feature: List Values by Index