2.8.1

• Fixes <<hop>> and <<hopback>> not moving nicely between different files
• Adds ChatterboxHop() and ChatterboxHopBack()
• Adds \# as an escape string
• Adds constants, defined using ChatterboxVariableSetConstant("name", 42) or <<constant $name = 42>>
• Adds version number to error messages
• Fixes comma being mistaken as being a part of variable names