'Release 1.7.4'

'Release 1.7.3'

'Release 1.7.2'

'Release 1.7.1'

Update default version to include patch number

Merge pull request #52 from ali-ince/1.7-add-encapsulation

Introduce encapsulation

 Skip setting rpath on cmake install phase

Expose underlying socket errors from openssl calls

Expose underlying socket errors from openssl calls

Merge pull request #44 from ali-ince/1.7-fix-va-list-usage

Avoid multiple use of va_list