Figure out higher level entry-point for designing ELISpot assay

[iskandr]

Started this:

def single_plate_design(
        num_peptides: int = 100,
        wells_per_plate : int = 96,
        control_wells : int = 0, 
        invalid_neighbors: PeptidePairList = [],
        preferred_neighbors: PeptidePairList = [],) -> Solution:
    """
    High level entry-point for designing a single plate ELISpot experiment
    """
    best_solution = None
    best_violations = None
    best_num_pools = None

    max_total_pools = wells_per_plate - control_wells
    for num_replicates in range(2, 6):
        max_peptides_per_pool = int(math.ceil(num_replicates * num_peptides / max_total_pools))
        # call find_best_solution repeatedly and return the "best of the best"