Added a Stream class that contains the types from an OpenType file. This class extends the Stream class from the binary library.
Added a file header class.
Added a CollectionHeader class that can be used to read .ttc files.
OpenType files contain offset tables, this class represents an OffsetTable.
Made it possible to read dsig tables.
Added an OS/2 table class to make it possible to read them.
Added an name table class to make it possible to read them.
Added an ltsh table class to make it possible to read them.
Added an hmtx table class to make it possible to read them.
Added an vdmx table class to make it possible to read them.
Added an hhea table class to make it possible to read them.
Added an head table class to make it possible to read them.
Added an ebdt table class to make it possible to read them.
Added an eblc table class to make it possible to read them.
Added an gsub table class to make it possible to read them.