add back ssl test to makefile

fix typo in building documentation

fix one more float->int conversion warning

fix parsing of enum classes in doc generation tool

support building with new boost version

fix clang warning on empty statements by fixing the test macros

add a build variant for quickly building a corpus for code coverage

bump version of RC_1_1 branch to 1.1.13

merged RC_1_1 int master

update Changelog