*.t: Updated all unit tests to use proper relative paths
SSH/parallel.t: Corrected deprecated 'verbosity()' import
Script/Options.pm: Added a few TODO comments
Serialize.pm: Updated deprecated call to UNIVERSAL::can()
System.pm: Removed deprecated verbosity imports; Added silent exit in mkdir() when directory exists
system.t: Removed verbosity tests
YAML/Lite.pm: Corrected array parsing bug; General cleanup
YAML/lite.t: Added test for basic arrays