[FIX, TEST] Adds missing empty function and fixes forgotten typename qualification in assign function.
[FEATURE, TEST] Adds resize function and includes tests for journaled set. Simplifies the assignValue and appendValue interface.
[FIX] Removes unused typedef.
[NOP] Removes tabs from code and fixes some whitespace and code style issues.
Merge pull request #342 from rrahn/feature/journaled_set_resize

Feature/journaled set resize