Merge pull request #18 from zsiciarz/master

fail -> panic
Fix warning about renamed missing doc attribute.
Merge pull request #19 from jbcrail/fix-missing-doc-warning

Fix warning about renamed missing doc attribute.
parse_bytes has been removed, use from_str_radix instead

see rust-lang/rust#18536
Merge pull request #21 from japaric/from-str

parse_bytes has been removed, use from_str_radix instead
bigint: Refactor the `parse_bytes` and `from_str_radix`.

This follows the changes of "Separate string->integer implementation in strconv" (rust-lang/rust@138b76b).
This allows `parse_bytes` to be removed without breaking `libnum` code.
Use sliciing_syntax
Fix lint name warning
Merge pull request #22 from gifnksm/master

bigint: Remove `parse_bytes` method
Update to latest rustc
Merge pull request #23 from gifnksm/master

Update to latest rustc
Fix two non uppercase globals.
Merge pull request #24 from jbcrail/fix-non-upper-case-globals

Fix two non uppercase globals.
Remove unused imports.
Fix overflowing literal in LCM test.
Merge pull request #26 from jbcrail/rm-unused-imports

Remove unused imports.
Merge pull request #25 from jbcrail/fix-overflow-literal

Fix overflowing literal in LCM test.
Implements `Encodable` and `Decodable`

Fixes #27
Merge pull request #29 from gifnksm/master

Implements `Encodable` and `Decodable`
Add numeric functions and `traits` module that provide numeric traits for generic
mathematcs.

Import numeric traits and functions that were removed from the standard library.
This also implements `AdditiveIterator` and `MultiplicativeIterator` for
`BigUint` and `BigInt`.

closes #28