FUNCT add sel_process:get_name/1
RESTRUCT refactor the test to extract some templates
TEST rename the test to comply with common naming sense
FUNCT add sel_process:get_pid/1
FUNCT add sel_application:get_env/2
FUNCT add sel_application:get_env/3
RESTRUCT delete some whitespace
DOC document and spec sel_application:get_env/_