POALibrary   "POA" 
This library is a client script for making a webhook signal formatted string to POABOT server.
 entry_message(password, percent, leverage, kis_number) 
  Create a entry message for POABOT
  Parameters:
     password : (string)   The password of your bot.
     percent : (float)    The percent for entry based on your wallet balance.
     leverage : (int)      The leverage of entry. If not set, your levereage doesn't change.
     kis_number : (int)      The number of koreainvestment account.
  Returns: (string) A json formatted string for webhook message.
 close_message(password, percent, kis_number) 
  Create a close message for POABOT
  Parameters:
     password : (string)   The password of your bot.
     percent : (float)    The percent for close based on your wallet balance.
     kis_number : (int)      The number of koreainvestment account.
  Returns: (string) A json formatted string for webhook message.
 exit_message(password, percent) 
  Create a exit message for POABOT
  Parameters:
     password : (string)   The password of your bot.
     percent : (float)    The percent for exit based on your wallet balance.
  Returns: (string) A json formatted string for webhook message.
 in_trade(start_time, end_time) 
  Create a trade start line
  Parameters:
     start_time : (int)     The start of time.
     end_time : (int)     The end of time.
  Returns: (bool)  Get bool for trade based on time range.
