Merge pull request#7 from goccy/feature/configurable-path-of-main-pa……ckageEnable to change path to main package

Merge pull request#4 from goccy/feature/fix-nil-ptr-exceptionFix nil pointer access

Supports custom task and init/before/after hook for build (#3)Supports custom task and init/before/after hook for build

Merge pull request#2 from goccy/feature/fix-localhost-buildFix linker flags for running on localhost

Stop running process safely

Build an application at starting

Copy stderr at running application

Resolve relative path in env

Fix sequence for async command

Fix async command