Section 725 ILCS 5/125-3 - Savings provisions(a) The provisions of Sections 2, 3 and 4 of "An Act to revise the law in relation to the construction of the statutes", approved March 5, 1874, as heretofore and hereafter amended, shall apply in all construction of this Code.(b) In any case pending on or after the effective date of this Code involving an offense committed prior to such date the procedural provisions of this Code shall govern insofar as they are justly applicable and their application does not introduce confusion or delay.(c) Provisions of this Code according a defense or mitigation shall apply with the consent of the defendant.(d) Provisions of this Code governing the treatment, eligibility, release or discharge of prisoners, probationers and parolees shall apply to persons under sentence for offenses committed prior to the effective date of this Code except that the minimum or maximum period of their detention or supervision shall in no case be increased.