enable CM_Exception::getMetaInfo() to return raw meta
log raw meta info
change cm_log metainfo to TEXT
recursively serialize metainfo
add compatibility with old, nonserialised meta info entries
return null on invalid serialised data
docu
only serialise once
Adjusted error stream usages

- Only kept actual errors, warnings and progress indicators
add CM_File::listFiles()
implemented switch between recursion and no recursion in FileSystemAdapter::listFiles()
implemented listFiles on CM_File
add tests for non-recursive listing by prefix
add test for CM_File::listFiles()
use array_merge instead of array_merge_recursive (typo)
dont return base-dir in AwsS3 listByPrefix
Merge branch 'master' of github.com:cargomedia/CM into filesystem-file-listing
use getPath() instead of _path field var
removed unneeded rtrim()
dont return "directories" in s3
Merge pull request #1318 from alexispeter/log-raw-metainfo

Log raw metainfo