checkPMError            Checks for the presence of an error in the
                        returned JSON and prints a warning.
pm.connect              Sets up a variable for the connection to the
                        API.
pm.getGene              Gets information about a particular gene...
pm.getGenesByProbe      Gets a list of the genes associated with the
                        specified probe...
pm.getPlatforms         Gets a list of the available platforms in the
                        database...
pm.getProbe             Gets information about a particular probe...
pm.getProbesByGene      Get the probes associated with a specific
                        gene...
