Added Session#save(fn). Closes #213
Added Session#save(fn). Closes #213

RickyDan/connect,lian774739140/connect,qitianchan/connect,mi2oon/connect,austincitylimits/connect,tanveer12332/connect,wghust/connect,senchalabs/connect,RoseTHERESA/connect,llwanghong/connect,brianloveswords/connect,behind2/connect,davehorton/drachtio,khirayama/connect,khalerc/connect,liuwei9413/connect,keenwon/connect,mi2oon/connect,gtomitsuka/connect,chinazhaghai/connect,dkfiresky/connect