v1.0.0

• build: update travis to node 12-16 8c4dcd0
• docs: 1.x.x compatible with joi 17 337e035
• chore: update deps and joi to 17 73f1c7e
• docs: write joi compatibility ce9a5a7
• fail messages: wrap error with [] ea89aad

v0.2.1...v1.0.0