All rights or remedies of the City of Katy, Texas, are expressly saved as to any and all violations of any Zoning Ordinance or amendments thereto, of said City of Katy, that have accrued at the time of the effective date of this ordinance; and as to such accrued violation, the court shall have all the powers that existed prior to the effective date of this ordinance; and that all existing violations of previous zoning ordinances which would otherwise become nonconforming uses under this ordinance but shall be considered as violations of this ordinance in the same manner that they were violations of prior zoning ordinances of said City of Katy.