CustomerExtension module extended to Traveler model
Customer extension extended to Traveler and fixed
Customer extension extended to Traveler and fixed
Merge pull request #16 from Sbfrr/spec

Customer extension included in Traveler and fixed"
Merge pull request #17 from Sbfrr/spec_provider

Spec provider
Deleting extra space
Test debugging
Merge pull request #18 from Sbfrr/spec

Test debugging
Solve conflicts