overloads

[WIP] overloads to add (mostly from Vyxal):
MONADS:
A: str → remove whitespace
Ȧ: str → is uppercase
B: str → string → binary of each codepoints
Ḃ: str → to base 10
C: str → split at commas
Ċ: str → randomly select a character
D: str → split into characters
Ḋ: lst → catanate to string
E: no change
Ė: no change
F: no change?
Ḟ:
G: no change
Ġ: no change
H: str → to lowercase 
Ḣ: str → to uppercase
I:
J: no change
K:
L: no change
Ŀ: no change?
M:
Ṁ:
N: str → swap case
Ṅ: str → return lowercase → 0 / uppercase → 1 / not valid → -1
O: no change
Ȯ: str → append first element
S: str → substrings
Ṡ:
T: str → eval?
Ṫ:
V: str → 0: all letters lowercase, 1: all letters uppercase, -1: mixed case
W:
X: no change
Ẋ: no change
Y: no change
Ẏ: no change
Z:
Ż: str → prepend the last character
!:
¬: 
√: str → palindromise
Σ:
Π:
⊂: no change
⊆: no change
⊃: no change
⊇: no change
⊐: no change
⊒: no change
~:
γ: no change
ε: no change
ι: str → is character a letter for each
κ: str → is character a digit for each
χ: str → is character a vowel for each
ψ: str → is character a vowel + y for each
ϕ:
∵: str → min character
∴: str → max character
↑:
↓:
∞: str → no change
¼: str → eval as flax (?)
½: str → second half of
⌈: str → split on space
⌊: str → split on newlines
→: str → increment ascii codepoints
←: str → decrement ascii codepoints
∂: no change
{: no change
}: no change
○: no change?
↶:

DYADS:
a: num, str → repeat str as a list
   str, str → regex match
ȧ: no change
b:
ḃ:
c: num, str →
   str, str → overwrite start of one with another
ċ:
d:
ḋ: str, str → join by space
e:
ė:
f:
ḟ:
g: str, str → longest common suffix
ġ:
h:
ḣ:
j:
k:
l: str, str → longest common prefix
ŀ:
m:
ṁ:
n:
o:
ȯ:
p:  num, str → nPr(num, len(str))
    str, str → nPr(len(str), len(str))
ṗ:
q: no change
r:
s:
ṡ:
t:
ṫ:
u:
v:
w:
ẇ:
x:
ẋ:
y:
ẏ:
z:
ż:
+:
-:
±:
×:
÷:
|:
*:
&:
%:
^:
∧:
∨:
>:
<:
=:
≠:
≤:
≥:
≡:
≢:
≈:
,:
;:
∊:
⊏:
⊑:
∘:
⊣: no change
⊢: no change
#:
δ:
»:
«: