Update: Additional lock tweaks.

Update: Additional lock tweaks.

I am thinking of doing some redesigning of the locking/unlocking processes after this commit.

I may end up adding a new type to the FLL project to standardize a more complex structure.
I believe I need to create a read/write lock pair with a mutex lock so that the mutex can be used to prep a lock for transitioning from a read to a write or a write to a read.
I need to do some more extensive planning.