Handle SQLITE3_LIBRARIES by find_package_handle_standard_args

Fixes #182
Merge pull request #193 from mloskot/cmake-sqlite3-libraries

Handle SQLITE3_LIBRARIES by find_package_handle_standard_args
fix no newline warning
support for shared_cache=true propery
code cosmetic
Merge branch 'soyersoyer-develop' into hotfix/3.2.2