DoubleX RMMV Popularized ATB Core

[DoubleX]

Updates
v0.00c(GMT 1400 24-11-2015):

1. Fixed database falsely returning database not loaded on game start
2. Fixed BattleManager properties falsely belonging to Game_Battler
3. Fixed undefined this when raising the battler's refresh flags
4. Fixed are_patb_battler_changed not referenced by this due to typo
5. Fixed atb bars not drawing properly due to note passing fill rate
6. Invalid configuration and/or notetag values will log error messages
7. The param descriptions and plugin help become more helpful to users
8. Increased this plugin's extensibility, readability and robustness
v0.00b(GMT 0000 24-11-2015):
1. Fixed changing max atb value not rechecking battler actability
2. Fixed null this when reading <operator max patb val: val> notetag
3. Fixed update state turns not working in the default battle system
4. Fixed description, params and help not loading due to typo
5. Fixed battler atb clock update not triggering due to typo
6. Fixed action set item passing the null argument due to typo
7. Fixed undefined function error when updating atb frame due to typo
8. Fixed failed party escape not resetting actors' atb values in delay
9. Fixed passing wrong color argument type when drawing actor atb bars
10. Simplified operator in <operator max patb val: val>
11. Increased this plugin's efficiency, extensibility and modularity