Change Details

[x] Update go repos to 1.13 (including .travis specs and Docker files) [x] Convert all go repos to go mod [x] Merge lexdata `schemaversion_3.1` branch to master (may cause some backward compatibility issues with the first releases, but this should not be a problem right now) [ ] Test all repositories dependent on the updated repositories

[x] Update go repos to 1.13 (including .travis specs and Docker files) [x] Convert all go repos to go mod [x] Merge lexdata `schemaversion_3.1` branch to master (may cause some backward compatibility issues with the first releases, but this should not be a problem right now) [ ] Test all repositories dependent on the updated repositories Go modules https://blog.golang.org/using-go-modules https://blog.golang.org/module-mirror-launch Versioning https://semver.org/

[x] Update go repos to 1.13 (including .travis specs and Docker files) [x] Convert all go repos to go mod [x] Merge lexdata `schemaversion_3.1` branch to master (may cause some backward compatibility issues with the first releases, but this should not be a problem right now) [ ] Test all repositories dependent on the updated repositories Go modules https://blog.golang.org/using-go-modules https://blog.golang.org/module-mirror-launch Versioning https://semver.org/