Changelog for release 0.3.1

Improved performance when used with 32-bit float image buffers.
Introduced automated testing.
lensfun-update-data now also works without root privileges
Fixed autoscaling for panoramic and equirectangular projections

New interchangeable lenses:

Canon EF 16-35mm f/4L IS USM
Canon EF-S 18-55mm f/3.5-5.6 IS STM
Canon Lens FL 50mm F1.4
Canon FDn 50mm 1:1.4 (APS-C)
Nikkor AF-S 60mm f/2.8G ED Micro
Canon EF 70-210mm f/3.5-4.5 USM
Canon Lens FL 135mm F3.5
Canon EF 300mm f/2.8L IS II USM (also with 1.4x and 2.0x converters)
Canon EF 400mm f/5.6L USM (also with 1.4x converter)
Canon EF 500mm f/4L IS II USM (also with 1.4x and 2.0x converters)
Cosina 19-35mm f/3.5-4.5 MC
Fotasy M3517 35mm f/1.7
Fujifilm TCL-X100 teleconverter (for X100/X100s cameras)
Fujifilm XF 23mm f/1.4 R
Fujifilm XF 60mm f/2.4 R Macro
KMZ MC HELIOS-44M-4 58mm 1:2
Leica DG Summilux 15mm f/1.7
Lumix G Vario 12-32 f/3.5-5.6
Lumix G 14mm f/2.5 II
Minolta MD 35mm 1/2.8
Minolta AF 35-105mm f/3.5-4.5
Nikkor AF 10.5mm f/2.8G DX ED Fisheye
Nikkor AF-S 18-55mm f/3.5-5.6G DX VR II
Nikkor AF-S 18-300mm f/3.5-6.3G DX ED VR
Nikkor AI 20mm f/3.5
Nikkor AF 20-35mm f/2.8D IF
Nikkor AI-S 24mm f/2.8
Nikkor AF-S 24-120mm f/4G ED VR
Nikkor AF 28mm f/1.4D
Nikkor AF-S 28mm f/1.8G
Nikkor AI-S 28mm f/2.8
Nikkor AF 28-80mm f/3.3-5.6G
Nikkor AF 28-200mm f/3.5-5.6G IF-ED
Nikkor AI-S 35mm f/2.0
Nikkor AF 60mm f/2.8D Micro
Nikkor AF-S 70-300mm f/4.5-5.6G VR IF-ED
Olympus M.Zuiko Digital 60mm f/2.8 Macro
HD Pentax-DA 20-40mm f/2.8-4 ED Limited DC WR
smc Pentax-A 28mm 1:2.8
smc Pentax-DA 18-55mm f/3.5-5.6 AL II
smc Pentax-DA 50mm f/1.8
smc Pentax-M Macro 1:4 50mm
Ricoh 50mm 1:2.0
Schneider-Kreuznach Retina-Curtagon 1:4/28mm
Sigma 8mm f/3.5 EX DG Circular (APS-C)
Sony FE 28-70mm f/3.5-5.6 OSS
Tamron SP AF 60mm f/2 Di II LD (IF) Macro
Tamron SP 150-600mm f/5-6.3 Di VC USD
Tokina AF 100mm f/2.8 AT-X Pro D Macro
Voigtländer Skoparex 1:3,4/35
Voigtländer Color-Skopar X 1:2,8/50
Zenitar MC 16mm f/2.8
Carl Zeiss Jena 1Q Biotar 1:2 f=58mm T

New interchangable lens cameras:

Canon EOS 7D Mark II
Canon EOS 750D
Canon EOS 760D
Canon EOS M2
Canon EOS M3
Fuji X-A2
Nikon D5500
Nikon D7200
Nikon 1 S2
Nikon 1 V3
Nikon 1 J5
Olympus E-5 Mark II
Panasonic DMC-GH4
Panasonic DMC-GF7
Samsung NX1
Samsung NX300M
Samsung NX500
Sony A5100

New compact cameras:

Canon IXUS 220 HS (CHDK’s DNGs)
Canon PowerShot A4000 IS (CHDK’s DNGs)
Canon PowerShot G1 X Mark II
Canon PowerShot S95
DIJ Phantom Vision FC200
Fujifilm FinePix A370
Fujifilm X100T
Fujifilm X30
Fujifilm XQ1
Olympus E-PL7
Olympus Stylus 1s
Panasonic FZ1000
Panasonic DMC-GM5
Panasonic DMC-LX100
Ricoh GR
Sony RX100 III

Additional/updated data for:

Canon EF-S 10-22mm f/3.5-4.5 USM
Canon TS-E 24mm f/3.5L
Canon EF 24-85mm f/3.5-4.5 USM
Canon EF 50mm f/1.8
Canon EF 70-200mm f/4L IS USM
Fujifilm XC 16-50mm f/3.5-5.6 OIS
Fujifilm XC 50-230mm f/4.5-6.7 OIS
Nikkor AF 24-85mm f/2.8-4D IF
Nikkor AF 50mm f/1.4D
Nikkor AF 50mm f/1.8D
Nikkor AF-S 55-300mm f/4.5-5.6G DX ED VR
Nikkor AF-S 70-200mm f/2.8G VR IF-ED
Nikkor AF 70-210mm f/4-5.6
Nikkor AF 80-200mm f/2.8 ED
Nikkor AF 85mm f/1.8
Olympus M.Zuiko Digital 25mm f/1.8
Olympus M.Zuiko Digital 60mm f/2.8 Macro
Olympus M.Zuiko Digital ED 75-300mm f/4.8-6.7 II
smc Pentax-DA 18-55mm f/3.5-5.6 AL WR
smc Pentax-M 28mm 1:3.5
smc Pentax-DA 35mm f/2.4 AL
smc Pentax-A 50mm f/1.7
Samyang 14mm f/2.8 ED AS IF UMC
Sigma 19mm f/2.8 EX DN
Sigma 50-150mm f/2.8 APO EX DC OS HSM
Sigma 70-200mm f/2.8 EX DG OS HSM
Sigma 105mm f/2.8 EX DG OS HSM Macro
Sony 50mm f/1.4
Sony E 16-50mm f/3.5-5.6 OSS PZ
Canon PowerShot A640
Canon PowerShot A720
Canon PowerShot SX150
Canon PowerShot SX220