Removed a list of all commands that is no longer needed since these are documented in the code.
First changes in how tokens are labeled. Changed search command mostly.
Updated chart and eval command.
Updated fieldformat rule.
Updated head command.
Updated rename command.
Updated where command.
Updated sort command.
Re-updating simple commands with new command node role.
Updated eval command.
Updated the fieldformat command.
Chart is broken.
Sort of fixed the head command.
Updated abstract command.
Updated addtotals command.
Print out stack trace on error.
Partially finished append command.
Updated bucket command.
Updated search and rex commands.
Made all EQ parse nodes have a raw value of 'assign'.