• Fixes start time

It is a simpler ThreadController, where Threads get's added to it during construction and can't be changed.

It is supposed to reduce the overhead, and also reduce memory.

Fixed type of Time variables (now unsigned long)

• 1.5.x library format implementation;
• Old Arduinos and ChipKit compatibility
• Fixed Version on library.properties

• 1.5.x library format implementation;
• Old Arduinos and ChipKit compatibility