Setteraction of property interceptor can cause null exception

[reflection-emit]

From @reflection-emit on February 13, 2017 9:26

• Add a check for null in the setter action.
• Add a specialized setteraction for strings
• Add Convert instead of cast for primitiv types in specialized setteraction for IEnumerables

Copied from original issue: reflection-emit/Cauldron#11

[reflection-emit]

fixed in 1.1.0