Changes to client:
-Add buddies
-Send transfer to buddies
-Export keys
-Read keys
Bugfix. Read buddy's key function working for test case scenario.
Tests on Client.
Merge pull request #33 from lingow/TestsOnClient

Tests on Client.
Soloved Merge Conflicts
Merge pull request #34 from lingow/CheckBalance2

Check balance2
Resolved merge conflicts to alpha