ggmsa 0.0.4

fixed warning message in msa_data.R (2020-4-26, Sun)
added ggplot_add methods for geom_*() (2020-4-24, Fir)
added a parameter seq_name in ggmsa() (2020-4-23, Thu)
added a new function facet_msa() –> break down the MSA (2020-4-17, Fri)
added a parameter posHighlighted in ggmsa() (2020-4-17, Fri)
created a new layer geom_asterisk() to optimized geom_seed() (2020-4-11, Sta)
added new functions available_colors(), available_fonts() and available_msa() (2020-3-30, Thu)
added a new function geom_seed() –> highlight the seed region in miRNA sequences (2020-3-27, Fri)
added a new function ggmotif()–> plot sequence motifs independently (2020-3-23, Tue)
added a Monospaced Font DroidSansMono (2020-3-23, Mon)

ggmsa 0.0.3

release of v=0.0.3 (2020-03-16, Mon)
added a new function geom_GC() –> plot GC content in MSA (2020-02-28, Fri)
added a new function geom_seqlogo() –> plot plot sequence motifs in MSA (2020-02-14, Fri)
used a proportional scaling algorithm (2020-01-08, Wed)

support plot sequence logo (2019-12-25, Wed)
added three fonts：helvetical, times_new_roman, mono (2019-12-21, Sta)
~~added three fonts：serif_font, Montserrat_font, roboto_font (2019-12-17, Tue)~~
added internal outline polygons (2019-12-15, Sun)
bug fixed of tidy_msa
import seqmagick for parsing fasta
tidy_msa for converting msa file/object to tidy data frame (2019-12-09, Mon)