RPG Maker DoubleX RMMV Action Cost Compatibility v1.00d

 *  # DoubleX RMMV Unison Item Config:   
 *  1. The action cost is the same for all unison actors   
 *  - Reference tag: Unison Item Config Act Cost   
 *  - Read <unison item actor act cost: costs> in DM.loadItemNotes   
 *  - Drawed the action cost in battle for each unison actor in   
 *  WIL.drawActCost and WSL.drawActCost   
 *  - The default unison item action cost will be shown for all unison
 *  actors when outside battles   
 *  # DoubleX RMMV Unison Item Default:   
 *  1. The number of action slot reserved by unison invokees are always 1
 *  - Reference tag: Unison Item Default Invokee Act Slot Num   
 *  - Checked the action cost for each unison invokee in   
 *  GBB.canUseUnisonSkill and GBB.canUseUnisonItem as well   
 *  - Stored and restored the action cost for each unison invokee in   
 *  BM.addUnisonActors and BM.eraseUnisonActors as well   
 *  # (v1.00b+)DoubleX RMMV Popularized ATB Core:   
 *  1. No battler can execute any action at all   
 *  - Reference tag: PATB Act Validity   
 *  - Extended BattleManager.processTurn to ensure no valid actions   
 *  will be falsely regarded as invalid ones   
 *  # (v1.00c+)DoubleX RMMV Popularized ATB Core:   
 *  1. Battlers inputting skills/items with action cost greater than 1   
 *  remains inputable after finishing inputting all skills/items   
 *  - Reference tag: PATB Inputability   
 *  - Extended Game_Action.prototype.confirm_patb_item,   
 *  Scene_Battle.prototype.confirm_patb_act and added GBB.confirmAct
 *  to confirm the reserved action slots as well

*  # Skill/Item Notetags:
*  1. <unison item actor act cost: costs>
*  - Sets the list of action costs needed for each of the
*  corresponding id of the unison actor in <unison item actors: ids>
*  , is used to separate the mp costs in ids
*  E.g.:
*  If <unison item actors: 1> is used, then
*  <unison item actor act cost: 2> means actor with id 1 needs to
*  use 2 action slots for using the unison skill/item
*  If <unison item actors: 4, 2> is used, then
*  <unison item actor act cost: 2, 3> means actor with id 4 and 2
*  need to use 2 and 3 action slots respectively for using the
*  unison skill/item
*  If <unison item actors: 4, 2> is used, then
*  <unison item actor act cost: 2> means actor with id 4 needs to
*  pay 2 action slots while that with id 2 needs to use the number
*  of action slots of the unison skill/item for using it

*  # Skill/Item manipulations
*  1. meta.unisonItemActorActCosts
*  - Returns the Array of action costs each needed by its
*  corresponding actor with id in meta.unisonItemActors to use this
*  skill/item
*  2. meta.unisonItemActorActCosts = [cost, cost, ...]
*  - Sets the Array of of action costs each needed by its
*  corresponding actor with id in meta.unisonItemActors to use this
*  skill/item
*  - All meta.unisonItemActorActCosts changes can be saved if
*  DoubleX RMMV Dynamic Data is used

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 *  v1.00d(GMT 1500 11-8-2016):   
 *  1. Removed compatibility with DoubleX RMMV Minimalized ATB   
 *  1. In sync with the latest DoubleX RMMV Popularized ATB Core version 
*  v1.00c(GMT 1000 5-6-2016):  
*  1. Addressed more compatibility issues with  
*  - DoubleX RMMV Minimalized ATB  
*  - DoubleX RMMV Popularized ATB Core
*  v1.00b(GMT 0300 29-5-2016): 
*  1. Addressed compatibility with 
*  - DoubleX RMMV Minimalized ATB 
*  - DoubleX RMMV Popularized ATB Core
*  v1.00a(GMT 1500 22-5-2016):
*  1. 1st version of this plugin finished