Merge branch 'master' of https://git.d-logic.net/nfc-rfid-reader-sdk/ais_readers-examples-web_api_src

- commands.py
  - fixed minor bugs;

- command():
  - new code for resource busy resolving;

- GetAISUpdateAndGetCount()
  - added return status if status !=DL_OK;
- added DeviceHandler() and ResBusyCheck();

 - added key for exclude lists;

  - *GetListInformation():
     - added print as logger;
- commands.py (2.2 debug):
  - added while loop for resource busy;

- ais_shell():
  - do_POST():
    - added GET_RASPI_TEMP constant;

- doPOST():
  - add new function names that are executed if there are no devices exists;

  - FirmwareUpdate()
    resolved bug;

# Conflicts:
#	shell

 - resolved bug when create local S_DEVICE structure(class);

 - send_head():
   - search ext in list DOWN_FILE_EXT;
constants.py:
   - DOWN_FILE_EXT = ['.csv', '', '.log']

 - ais_http.py:
   added new constant for 'q'(GetListInformation())

- ais_http.py():
  - set content-type if file ext is .csv;
  - added commands that may run if no device exists;

do_POST():
  - resolved problem of taking a key based on an index of the device;

  - replace getargsspec position

  - command():
    - replace getargsspec;

  - command():
    - added new getargspec when parametar is **pq;

- commands.py(1.8)
  - import inspect.getargspec module;
  - command():
    - using the getargspec to find out the number of parameters of the invoking function;
  - change **kwargs in function param with **pg;

- xmlhtml.py(3.0):
  - remove 'ERROR_LOG_FILE_NAME' item;
-
  - AISOpen() resolved;

- xmlhtml.py(2.9):
  - resolved bug when delete and changed xml{} item;
- ais_shell.py(4.0.7.13):
  - AISOpen() resolved;

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