Updated MFA verify schema and renamed CallEngineModifyConferenceRequest to ApiModifyConferenceRequest

Merge pull request #9 from Bandwidth/release/2021-01-08-15-20-11

updated mfa schema, disabled media url encoding

Disabled media url encoding for messaging

Merge pull request #8 from Bandwidth/patch/fix-media-encoding

disabled media encoding

Fixed transfer when 1 of sip_uris and phone_numbers is unassigned

Merge pull request #7 from Bandwidth/hotfix/transfer-nil-check

fixed transfer when sip uri or phone number is not set

Added sip uri and tag bxml verbs

Merge pull request #6 from Bandwidth/DX-1671-1675

DX-1671-1675 added sip uri and tag bxml