Support message listing

v1.2.0

Support message listing calls

support putting template and to address into constructor

v1.1.2

support putting template and to address into constructor

support to-address override - for developers

v1.1.1

support to-address override - for developers

Support preview

v1.1.0

cleanup code

support subject and body override

v1.0.10

support subject and body override

Support using full template name

v1.0.9

support using full template name

sending json request

v1.0.8

base64 encode attachment

Support attachments

v1.0.7

support attachments

Support message template checking api

v1.0.6

change function name

Add name support for to address

v1.0.5

add name support for to address