Restructuring of CLI string marshaling code.
Restructuring of CLI string marshaling code.

inordertotest/CppSharp,genuinelucifer/CppSharp,ktopouzi/CppSharp,ddobrev/CppSharp,zillemarco/CppSharp,genuinelucifer/CppSharp,mono/CppSharp,ktopouzi/CppSharp,mohtamohit/CppSharp,ddobrev/CppSharp,mono/CppSharp,ddobrev/CppSharp,mohtamohit/CppSharp,u255436/CppSharp,u255436/CppSharp,genuinelucifer/CppSharp,zillemarco/CppSharp,mono/CppSharp,zillemarco/CppSharp,mono/CppSharp,inordertotest/CppSharp,u255436/CppSharp,inordertotest/CppSharp,zillemarco/CppSharp,genuinelucifer/CppSharp,ktopouzi/CppSharp,mohtamohit/CppSharp,ktopouzi/CppSharp,mono/CppSharp,ddobrev/CppSharp,inordertotest/CppSharp,ktopouzi/CppSharp,mono/CppSharp,mohtamohit/CppSharp,ddobrev/CppSharp,inordertotest/CppSharp,u255436/CppSharp,genuinelucifer/CppSharp,zillemarco/CppSharp,mohtamohit/CppSharp,u255436/CppSharp