Brestart 0.1

restart functions at breakpoint

## Function: this module make it easy for any python script recorde results after some time-consuming task; so if some unpredictable errors happened and crashed your script, it can pass the funcs that has already successfully finished, just begin from the breakpoint;

## Method: a. before run your task,import this module, and at the fist run step – Brestart.preRunCheck() ; check if something wrong ,and wether it needs breakpoint restart; b. use @Brestart.logFunc to decorate the functions that cost much time,make it a recorde point; c. finally Brestart.end() at the last run step ,can clear temp log and do not affect next run.