Fixed reloading of plugins
Fixed reloading of plugins

ProDBG crashes on exit but that is due to https://github.com/rust-lang/rust/issues/28794

Closes #177

emoon/ProDBG,kondrak/ProDBG,emoon/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,SlNPacifist/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,kondrak/ProDBG,emoon/ProDBG,SlNPacifist/ProDBG,emoon/ProDBG,SlNPacifist/ProDBG,kondrak/ProDBG,kondrak/ProDBG,v3n/ProDBG,kondrak/ProDBG,v3n/ProDBG,v3n/ProDBG,SlNPacifist/ProDBG,v3n/ProDBG,emoon/ProDBG,emoon/ProDBG,kondrak/ProDBG