The man accused of killing seven people and wounding dozens more in a shooting at an Independence Day parade in Highland Park pleaded not guilty on Wednesday, a week after prosecutors announced he faces 117 felony counts in the attack.Robert E. Crimo III appeared for a brief hearing Wednesday in Lake County Circuit Court in Waukegan to enter a formal plea to the charges — 21 counts of first-degree murder, 48 counts of attempted murder and 48 counts of aggravated battery representing those killed and wounded during the …