Fix doctor command
Fix doctor command

Check if pod version is a valid semver version

NativeScript/nativescript-cli,NathanaelA/nativescript-cli,tsvetie/nativescript-cli,NathanaelA/nativescript-cli,tsvetie/nativescript-cli,tsvetie/nativescript-cli,NativeScript/nativescript-cli,tsvetie/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli,tsvetie/nativescript-cli,NathanaelA/nativescript-cli,NativeScript/nativescript-cli