Version 0.8_Beta2
- further code cleanup and refactor
- updated /exp reset to support 2 new params: total and level
- added /exp rent <renttime> which can't be higher than renttime:

Version 0.8_beta1
- updated for CraftBukkit-1.1-R1 (#1818)
- added message on levelup
- added renting of skills
- possibly fixed lag in /exp reset
- added Playtime info to /exp stats
- started to remove the skill0, skill1, skillx limitation
- added time: node in skill config to allow skillpurchase only with a certain playtime
- fixed /exp list
- code cleanup
- set default cost_type: to both
- updated bPermissions  - it's now fully supported
- updated PermissionsBukkit - only hasGroup is not supported by now
- added Vault support

Version 0.7
- added choice between old, new or own Level formula
- added possibility to create own Level formula
- fixed for CraftBukkit #1528
- all commands are renamed to /exp, as /xp is a now a vanilla command
- merged /exp add/set <player> xp/totalxp
- updated /exp add/set <player> level to add/set TotalExperience
- added level_need for skills
- it's no longer possible to grant non existing skills
- fixed NPE in /exp grant/revoke
- fixed /exp add <player> skill to work correctly
- fixed CRITICAL Typo in Skilltree
- fixed /exp revoke to work as intended
- implemented first try for automatic config updates
- added revoke_need_groups: true/false
- fixed small bug in /exp current <player>
- added skill cap and a "extra_skills" value in player config
- fixed NPE in /exp reset

Version 0.6.4
- fixed bug with skillpoints
- /xp help list does not work
- /xp list <page> filter does not work
- some changes in PEX to use global permissions, not per world

Version 0.6.3
- fixed bug in Economy implementation

Version 0.6.2
- bugfix in groups implementation

Version 0.6.1
- quickfix for some NPE

Version 0.6
- started to implement bPermissions support
- added group support (PEX/bPerm)
- added /xp reset <player>
- more checks against NPE's
- added XP to next Level display to /xp stats

Version 0.5
- fixed a bug in Skilltree implementation
- fixed bug in /xp list
- added /xp grant command
- added /xp revoke command
- added /xp current <player> for admins
- added "use_economy" confignode
- updated to CraftBukkit #1337
- updated to Register 1.5

Version 0.4
- updated to CraftBukkit #1240
- fixed NPE in /xp info
- advanced /xp info output for Skilltrees
- first try with Bukkit build-in Permissions (shall works, but it's still not supported yet!)
- add preferred_economy node in config
- added /xp reload command

Version 0.3
- dont show already bought skills in /xp list //done
- workaround for logout on death XP bug
when a player lost his XP due a bug he needs to relog or to die and his XP are resettet to the amount in config file
- first try for Skilltree function

Version 0.2
- more content with /xp info (price) //done
- show owned skills with /xp current //done
- list categories with /xp help list //done
- cleaned up some dirty code //done

Version 0.1
- initial release