Removed completed TODOs.

Snakefile

@@ -22,29 +22,6 @@ TODO: Contemplate using lambdify for basis
 TODO: Contemplate allowing vector input for ICs
 TODO: Discuss how wavelet details should be plotted
 
-TODO: Ask after reasoning behind plotting approx for this specific Burgers case
- -> Done (maybe related to final time being after shock occurs, check what
-    happens)
-TODO: Ask what derivative basis represents -> Done (derivative of basis used
-    for stiffness matrix calculation; just derive from basis vector)
-TODO: Ask after Dirichlet boundary setup -> Done (fixed value for all cells
-    outside boundary in both directions; should NOT affect real cells at all)
-TODO: Ask after exact solution for different equations -> Done (in equation
-    class, then let's see)
-TODO: Ask where Euler 1D exact solution comes from -> Done (known reference
-    solution calculated by Thea)
-TODO: Discuss first calculating plotting data and then plotting in separate
-    step -> Done (no, because evaluation points might change)
-TODO: Ask whether the option of multiple ghost cells has any potential use
-    cases -> Done (no)
-TODO: Discuss necessary object dependencies -> Done (extract as many as
-    possible)
-TODO: Contemplate extracting boundary condition from InitialCondition
-    -> Done (yes)
-TODO: Contemplate containing boundary condition in Mesh -> Done (yes)
-TODO: Discuss extracting all objects from UpdateScheme and giving equation as
-    input instead -> Done (yes, do it)
-
 Urgent:
 TODO: Rename stiffness matrix to volume integral matrix
 TODO: Rename boundary matrix to flux matrix