Add setup.py for snmp_orm
Add .gitignore
change playground ip address
fix import_class for out_device support
Add 'EnumerationField' Type
Merge branch 'master' of https://support.credosemi.com/git-credo/snmp_orm
Add support for insert extra devices from outside
Convert abs path when import class
Merge branch 'master' of https://support.credosemi.com/git-credo/snmp_orm
fix find path bug
Merge branch 'master' of https://support.credosemi.com/git-credo/snmp_orm

Conflicts:
	snmp_orm/utils.py
Normal playground.py
Handle table basicly, currect some default device oids
Better way to represent TableField data.(Use dict instend of tuple)
Improve EnumerationField. Better playground example
New feature, get and set SNMP ORM node.
Could get/set table row by index, like 'a.b.c[1] = 3' or 'print a.b.c[1]. But auto ASN1 type recognization should be implemented.
Set table raw without specify pyasn1 type. Need more test about. Add snmpd.conf & script to run a snmp agent for debug.
Fix bug, IPAddress.
Fix bug of get_by_index in devices/abstract.py. And some little fixes.