Given two strings, repeatedly cycle through all of the letters in the first string until it is the same length as the second string.
stringCycling("abc", "hello") ➞ "abcab"
stringCycling("programming", "sample") ➞ "progra"
stringCycling("the world in me evolves in hers", "i love Tesh, so much so") ➞ "the world in me evolves"
stringCycling("a thing of beauty is a joy forever", "indulge me surely") ➞ "a thing of beauty"
stringCycling("to", "hide") ➞ "toto"
stringCycling("such a feeling coming over me", "top of the world") ➞ "such a feeling c"
All tests will include valid strings.