Merge pull request PHPExif#69 from PHPExif/Miljar-patch-1

Change url's for badges

Merge pull request PHPExif#63 from jaywilliams/patch-1

Fix Division By Zero Warning for Focal Length

Merge pull request PHPExif#61 from nicolasmure/case-sensibility

[field mapping] first letter case insensibility

Merge pull request PHPExif#57 from Miljar/Miljar-patch-1

No exif, no exception

Merge pull request PHPExif#50 from FrivalszkyP/master

UTF-8 checking and encoding param support for exiftool

Update README.md

Merge pull request PHPExif#44 from bonzai/master

Allowed for duplicated tags in the raw data

Merge pull request PHPExif#34 from Miljar/rel/v0.4.0

Rel/v0.4.0

0.3.0 release

0.3.0 release