fixed: InterfaceStubGenerator does not show the smart tag when the caret is beyond the last char of the interface symbol
replace inRange function with rangeContainsPos from FCS
Merge pull request #398 from vasily-kirichenko/fix-gen-intf-tagger-does-not-appear-at-the-end-of-symbol

fixed: InterfaceStubGenerator does not show the smart tag when the caret is beyond the last char of the interface symbol