require php 5.5
implement nonexistent method check

remove .gitkeep [skip ci]

WIP - stubbage [skip ci]

WIP - start building [skip ci]

WIP - reimplement Caching class without PHPUnit mocks [skip ci]
implement nonexistent class check
add docblocks
start implementing replacement proxy methods
implement private method check
fix incorrect test
working implementation with string args

WIP - implementation, doesn't work yet
reimplement with Doctrine\Cache
limit args to scalar values

clarify README