Strict versioning for mswin32 binary gems.
Strict versioning for mswin32 binary gems.

Stick to MSVCRT 6.0 builds of Ruby due cross compilers linking.
Avoid any potential issue.

schuyler/sqlite3-ruby,simplegeo/sqlite3-ruby,AutogrowSystems/sqlite3-ruby,schuyler/sqlite3-ruby,alexdowad/sqlite3-ruby,yoshimoto/sqlite3-ruby,duhlin/sqlite3-ruby,duhlin/sqlite3-ruby,alexdowad/sqlite3-ruby,simplegeo/sqlite3-ruby,schuyler/sqlite3-ruby,AutogrowSystems/sqlite3-ruby,yoshimoto/sqlite3-ruby