* Adds a Min function to Int, and uses that in the slash function
* Adds a getHeight helper function to iavlstore
* Adds a splitPath function to baseapp
* Changes cyclo param from 10 to 11
* x/stake: Limit the size of rationals from user input
This commit sets the maximum number of decimal points that can be
passed in from messages. This is enforced on the validate basic of
MsgBeginUnbonding and MsgBeginRedelegation. The cli has been
updated to truncate the user input to the specified precision. This
also updates types/rational to return big ints for Num() and Den().
Closes#887
* Switch NewFromDecimal to error instead of truncating
Merges the keybase and Ledger code from go-crypto (which is no more) into the SDK
Adds support for Ledger into gaiacli
Cherry-picks updated error handling from #1158
* types/int: Switch Int, Uint to use pointers internally
This reduces the amount of pointer refs & derefs.
* Fix nil pointers on unmarshalling amino
* Fix elusive bug in marshalling with unitialized big int
* Remove debug code
* Switch big.rat to use pointers internally