v2.8.0 Fixes several memory issues, image extraction improvements, minor bugfixes

What's Changed

• Fix parsing issues on dictionaries in content streams where brackets in dictionaries were considered part of text array by @PrinsFrank in #292
• Support color space arrays by @PrinsFrank in #293
• Add support for images with bitsPerComponent 1 by @PrinsFrank in #294
• Fix newly detected unhandled match errors by @PrinsFrank in #307
• Decrease memory of textToUnicode by not creating intermediate arrays with str_split and array_map by @PrinsFrank in #305
• Parse CrossReferenceTable per line instead of entire table at once to reduce memory footprint by @PrinsFrank in #309
• Exit crossReferenceSection traversal when content at byte offset has already been parsed. Fixes #301 by @PrinsFrank in #310

Full Changelog: v2.7.0...v2.8.0