added FAQ entry about newlines in escaped strings

Author: ben-strasser

README.md

@@ -266,3 +266,8 @@ A: When using GCC have you linked against -lpthread? Read the installation secti
 Q: Does the library support UTF?
 
 A: The library has basic UTF-8 support, or to be more precise it does not break when passing UTF-8 strings through it. If you read a `char*` then you get a pointer to the UTF-8 string. You will have to decode the string on your own. The separator, quoting, and commenting characters used by the library can only be ASCII characters.
+
+
+Q: Does the library support string fields that span multiple lines?
+
+A: No. This feature has been often requested in the past, however, it is difficult to make it work with the current design without breaking something else.