Fix BList::Add()

Fix BList::Add() logic when _capacity is 0

Customize main loop priority

Added ability to set the priority of the main loop task in setupTasks()

Add pauseTask/resumeTask

Added pause task / resume task

Use copy ctor instead of assignment

Use copy constructor to create a copy of the argument to be passed to the task

Support passing argument by both reference and value

Support passing argument by both reference and value to task function

Pass argument by reference

Avoid extra copies by passing task argument by reference

added compareAndSet()

Added compareAndSet to SyncVar
Updated TaskPrimitives example

Weighted scheduler

Incorporated task count at each priority level in priority selection
Improved examples

Works together with Eventfun

Update BPtr to the same as used by Taskfun
Fix header define to work together with Taskfun

Rename killTask

Renamed killTask() to stopTask()
Added currentTask() api