RPG Maker DoubleX RMMV Equip Prerequisites v1.01g

 *  # Equip Notetags:   
 *  (v1.01a+)1. <no weapon req: id>   
 *  - Sets that equip to be unequippable with an equipped weapon with  
 *  id id   
 *  (v1.01a+)2. <no armor req: id>   
 *  - Sets that equip to be unequippable with an equipped armor with id
 *  id   
 *  (v1.01a+)3. <weapon req: id>   
 *  - Sets that equip to need an equipped weapon with id id to be   
 *  equipped   
 *  4. <armor req: id>   
 *  - Sets that equip to need an equipped armor with id id to be   
 *  equipped   
 *  5. <stat req: stat, operator, val>   
 *  - Sets that equip to need the owner's stat stat to meet the   
 *  operator operator and value val to be equipped   
 *  - stat can be any Parameter, Ex-Parameter and Sp-Parameter, hp, mp,
 *  tp and level   
 *  - (Advanced)stat can also be any other battler getter name that can
 *  use operator   
 *  - operator can be either l, le, e, ge, g or ne, meaning <, <=. ===,
 *  >=, > and !== respectively   
 *  - If val is a number, it'll be treated as a Number rather than a   
 *  String   
 *  6. <var req: id, operator, val>   
 *  - Sets that equip to need the value of variable with id id to meet
 *  the operator operator and value val to be equipped   
 *  - operator can be either l, le, e, ge, g or ne, meaning <, <=. ===,
 *  >=, > and !== respectively   
 *  - If val is a number, it'll be treated as a Number rather than a   
 *  String

*  # Equip manipulations 
*  1. meta.noWeaponReq 
*  - Returns the Array of ids of all equipped weapons making this 
*  equip unequippable 
*  2. meta.noWeaponReq = [id, id, id, ..., id] 
*  - Sets the Array of ids of all equipped weapons making this equip
*  unequippable 
*  - All meta.noWeaponReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used 
*  3. meta.noArmorReq 
*  - Returns the Array of ids of all equipped armors making this equip
*  unequippable 
*  4. meta.noArmorReq = [id, id, id, ..., id] 
*  - Sets the Array of ids of all equipped armors making this equip 
*  unequippable 
*  - All meta.noArmorReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used 
*  5. meta.weaponReq 
*  - Returns the Array of ids of all equipped weapons needed for this
*  equip to be equippable 
*  6. meta.weaponReq = id 
*  - Sets the Array of ids of all equipped weapons needed for this 
*  equip to be equippable 
*  - All meta.weaponReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used 
*  7. meta.armorReq 
*  - Returns the Array of ids of all equipped armors needed for this
*  equip to be equippable 
*  8. meta.armorReq = id 
*  - Sets the Array of ids of all equipped armors needed for this 
*  equip to be equippable 
*  - All meta.armorReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used 
*  9. meta.statReq 
*  - Returns the Array of all stat-operator-value triples, each in the
*  form of [stat, operator, value], as the equip prerequisites 
*  10. meta.statReq = [[stat, operator, value], [stat, operator, value]]
*  - Sets the Array of all stat-operator-value triples, each in the
*  form of [stat, operator, value], as the equip prerequisites 
*  - All meta.statReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used 
*  11. meta.varReq 
*  - Returns the Array of all variable-operator-value triples, each
*  in the form of [variable, operator, value], as the equip 
*  prerequisites 
*  12. meta.varReq = [[variable, operator, value]] 
*  - Sets the Array of all variable-operator-value triples, each in
*  the form of [variable, operator, value], as the equip 
*  prerequisites 
*  - All meta.varReq changes can be saved if 
*  DoubleX RMMV Dynamic Data is used

 *  v1.01g(GMT 0100 18-1-2016):   
 *  1. <stat req: stat, operator, val> only support battler getters   
 *  2. Fixed Number is not a function bug 
*  v1.01f(GMT 0300 17-1-2016): 
*  1. Fixed undefined variable req bug 
*  2. Exposed this plugin's equip manipulation plugin calls 
*  3. Increased this plugin's compactness, compatibility and readability
*  v1.01e(GMT 1200 24-11-2015):
*  1. Fixed unsupported arrow function in ES5 bug
*  2. The extended functions can be accessed by other custom plugins now
*  3. Notetags with invalid operators will log message on console instead
*  4. Increased this plugin's readability and robustness
*  v1.01d(GMT 1600 6-11-2015):
*  1. Simplified the notetag reading mechanisms
*  2. Fixed some typos
*  v1.01c(GMT 1200 5-11-2015):
*  1. Fixed undefined this under DoubleX_RMMV.Equip_Prerequisites bug
*  v1.01b(GMT 0000 5-11-2015):
*  1. Fixed failing to load notetags due to nil data bug
*  v1.01a(GMT 1000 4-11-2015):
*  1. Added <no weapon req: id>, <no armor req: id> and <weapon req: id>
*  notetags
*  2. Fixed several logic and syntax errors
*  3. Increased this plugin's maintainability
*  v1.00a(GMT 1300 31-10-2015):
*  1. 1st version of this plugin finished