Removed hard IPC::System::Simple dependency.
Miscellaneous POD updates.
Removed hard IPC::System::Simple dependency.
Miscellaneous POD updates.
Updated POD, README, and Makefile.
Merge branch 'develop'
v0.44

 - Updated POD, README, and Makefile.
 - Miscellaneous POD updates.
 - Removed hard IPC::System::Simple dependency.