Change cwd to %HOME% before executing command.
Add system plugin descriptions.
Optimize files.
Revert "Use sleep instead of ping."

This reverts commit 3f1064b22d4ebb2223a9e82cd0a59c0191e6dc13.
Allow drag drop to install wox plugin.
Bug fix for drag drop plugin installer.
Merge pull request #96 from zlsun/master

Fix the problem of sleep command and change the behavior of executing command.
Revert 3bbe54bb719cf40b477161fd6486916c1da1828e
Change cwd to %USERPROFILE% before executing command.
Merge pull request #98 from zlsun/master

Change cwd to %USERPROFILE% before executing command.
Add Empty Check for GetEnvironmentVariable Method.
Add folder existence check for USERPROFILE environment variable.
#21 Add Disable option for each plugin.