v1.2.3

Allow device discovery via hostname + speed up discovery

Those improvements are thanks to the awesome PR created by @alexh-name

commits:

• adjust readme and schema desctiption 14d88e9
• Merge pull request #12 from alexh-name/master 3286d1a
• bump version fdd6895
• allow setting network range to speed up arp discovery 84f439f
• allow finding devices by hostname 0aef349
• allow finding devices by hostname a0465aa

v1.2.1...v1.2.3