After upgrade GO to 1.7 version, the Code just won't show intellisense for a variable

[Dmdv]

• VSCode Version: Code 1.4.0 (6276dcb, 2016-08-04T16:45:31.680Z)
• OS Version: Windows_NT ia32 10.0.10586

Steps to Reproduce:

1. choose GOLANG environment
2. start coding, declare import, for example fmt
3. after typing fmt. and pressing space there is no dropdown hint about available methods, just "Panic"

[alexdima]

Moved to microsoft/vscode-go#441