A group of Republican lawmakers and anti-abortion organizations are suing to halt a new law that allows state money to go toward abortions.The taxpayer lawsuit, filed Thursday in Sangamon County Circuit Court, challenges Public Act 100-538 — known more commonly as House Bill 40 — which permits the use of state funding, through Medicaid and state employees’ health insurance plans, to pay for abortion procedures.Gov. Bruce Rauner signed HB 40 into law in September.Rep. Peter C. Breen of Lombard, the GOP …