Fully documenting the /xp-command
The command to give a player xp (/xp <player> <amount>) has a second to give a player full levels and not just xp by adding a L to the amount. I made a change to incorporate this behavior but it got reverted.
Tell raw JSON error
The example shown for the tellraw command misses " characters around the variable names and values in a lot of places. This causes an error: "Invalid json: malformed JSON at line 1 column 3"
Try it again