0.7.0

• Support r2 as shlib
• Fix "Cannot find executable" issue on windows
• Add call and callj methods (in sync with r2-5.8)
• Add default implementation for cmdj
• General cleanup and Box more types

r2pipe.rs - 0.6.0

• replace single reqwest::get with tcpstream, remove dependency
• Taking Pipe child process handle
• Wait for child on close
• Use clippy and fmt in the CI
• Use Result/Error pattern instead of panic approach
• Use unified Error type for handling problems