update to go 1.19

Merge pull request #9 from momotaro98/fix_issue_8

fix issue #8

Fix bug

Merge pull request #7 from momotaro98/bug/fix-for-gofile-that-doesnt-…

…have-import-decl

Fix bugs for go files that doesnt have import decl

Rename to strictgoimports

v1.2.0

rename to strictgoimports

Fix for some irregular cases

Fix bugs

w option support

• w option support #2
• use goimports.Prcess method instead of its exec command #3

First release

First release. It's just a checker.