BasicallyUtilCommands

added /multicommand

moved the closest_ground and closest_ground_down under positioned over, added closest_view and closest_view_entity, removed /getblock, removed /reflect

added /execute if eval and expresssion error logging for eval expressions

finally fixed parsing for decimal numbers, .x finally parses to 0.x rather than 0+x

added pos and rot args to /eval, removed /evals scale argument, added dot() and euler_dot() functions to /eval