lopdf

See CHANGLOG.md for details.
Thanks a lot for new contributers: Heinenen, dkaluza, jrmuizel

• Replace println with log macros
• Use Rust 2018
• Use pom 3.0

• Allow xref section has zero entries, fixes #39
• Dictionary key type changed to Vec<u8>, fixes #42
• Move image dependency to embed_image feature

• Insert image on page.
• Able to read stream when it's length is in object stream.

• Use time crate directly, chrono is optional.
• insert_form_object accepts page_id argument.

Add form xobject to page.

• Extract text from specified pages.
• Replace text of specified page.

• Derive Clone for Document and Xref
• Add a dictionary! macro that creates a Dictionary
• Add an Object::string_literal constructor
• Add impl From<_> for Object for more types
• Remove the Seek bound on Document::save_to

• Ignore invalid objects when reading all object in xref table
• Store compressed stream objects and normal objects together
• Minor bug fixes and improvements

Use itoa and dtoa to improve writing performance (by sharazam).

Add stream.with_compression(false) to disable compression, useful in font objects.

• Add Document::with_version() to create new document.
• Add Document::load_from() to read from any source impls Read.
• Add Document::save_to() to write any target impls Write.
• Fix some bugs.

• Delete specified objects and pages.
• Prune unused objects.
• Renumber objects.

• Read and write DateTime value.
• Read xref stream in hybrid-reference file.
• Add Content::decode() function.

Read previous Xrefs of linearized or incremental updated document.

Read xref stream and object streams.

Decode and encode operations of content streams.

• Use pom instead of nom for parsing.
• Able to parse stream object when its Length is a reference object.
• Dictionary preserves key insert order.

Compress/Decompress stream objects.