Added CodingBat Practice
Added Daily CodingBat Practice

conCat
Array123

Looping
Finish 1 String and 1 Integer Array
SeeColor easy string limitations
FrontEnd took some thinking
ArrayCount9: I've always found integer arrays logically to be easier than string arrays
XyzThere is tough because of nested if, I should try to avoid using the continue keyword.
Concatenation was medium difficulty
Multi Parameter methods was easy
Inspecting 3 elements within the loop requires a custom limitation
Used Local variable to save time on typing
Tricky, within the loop, you need to set the limitation on the element at 4 which is i==3;
Still got it, after long break in oregon
Include inverted boolean within the Check
No Loop only Equivalent check
Returning true at the end is better than returning false in this case.
Huge Amounts of testings
Careful with str.substring() and str.charAt()
Took 3 tries, had to make so many special exception tests